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Linux 5.10-rc6

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Merge tag 'v5.10-rc6' into rdma.git for-next

For dependencies in following patches

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Jason Gunthorpe 2020-12-01 20:40:50 -04:00
commit 2b0a999ba0
314 changed files with 5316 additions and 2532 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.mailmap
View File

@ -290,6 +290,7 @@ Santosh Shilimkar <ssantosh@kernel.org>
Sarangdhar Joshi <spjoshi@codeaurora.org>
Sascha Hauer <s.hauer@pengutronix.de>
S.Çağlar Onur <caglar@pardus.org.tr>
Sean Christopherson <seanjc@google.com> <sean.j.christopherson@intel.com>
Sean Nyekjaer <sean@geanix.com> <sean.nyekjaer@prevas.dk>
Sebastian Reichel <sre@kernel.org> <sebastian.reichel@collabora.co.uk>
Sebastian Reichel <sre@kernel.org> <sre@debian.org>

6
Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml
View File

@ -76,6 +76,12 @@ properties:
resets:
maxItems: 1
wifi-2.4ghz-coexistence:
type: boolean
description: >
Should the pixel frequencies in the WiFi frequencies range be
avoided?
required:
- compatible
- reg

120
Documentation/driver-api/media/drivers/vidtv.rst
View File

@ -149,11 +149,11 @@ vidtv_psi.[ch]
Because the generator is implemented in a separate file, it can be
reused elsewhere in the media subsystem.
Currently vidtv supports working with 3 PSI tables: PAT, PMT and
SDT.
Currently vidtv supports working with 5 PSI tables: PAT, PMT,
SDT, NIT and EIT.
The specification for PAT and PMT can be found in *ISO 13818-1:
Systems*, while the specification for the SDT can be found in *ETSI
Systems*, while the specification for the SDT, NIT, EIT can be found in *ETSI
EN 300 468: Specification for Service Information (SI) in DVB
systems*.
@ -197,6 +197,8 @@ vidtv_channel.[ch]
#. Their programs will be concatenated to populate the PAT
#. Their events will be concatenated to populate the EIT
#. For each program in the PAT, a PMT section will be created
#. The PMT section for a channel will be assigned its streams.
@ -256,6 +258,42 @@ Using dvb-fe-tool
The first step to check whether the demod loaded successfully is to run::
$ dvb-fe-tool
Device Dummy demod for DVB-T/T2/C/S/S2 (/dev/dvb/adapter0/frontend0) capabilities:
CAN_FEC_1_2
CAN_FEC_2_3
CAN_FEC_3_4
CAN_FEC_4_5
CAN_FEC_5_6
CAN_FEC_6_7
CAN_FEC_7_8
CAN_FEC_8_9
CAN_FEC_AUTO
CAN_GUARD_INTERVAL_AUTO
CAN_HIERARCHY_AUTO
CAN_INVERSION_AUTO
CAN_QAM_16
CAN_QAM_32
CAN_QAM_64
CAN_QAM_128
CAN_QAM_256
CAN_QAM_AUTO
CAN_QPSK
CAN_TRANSMISSION_MODE_AUTO
DVB API Version 5.11, Current v5 delivery system: DVBC/ANNEX_A
Supported delivery systems:
DVBT
DVBT2
[DVBC/ANNEX_A]
DVBS
DVBS2
Frequency range for the current standard:
From: 51.0 MHz
To: 2.15 GHz
Step: 62.5 kHz
Tolerance: 29.5 MHz
Symbol rate ranges for the current standard:
From: 1.00 MBauds
To: 45.0 MBauds
This should return what is currently set up at the demod struct, i.e.::
@ -314,7 +352,7 @@ For this, one should provide a configuration file known as a 'scan file',
here's an example::
[Channel]
FREQUENCY = 330000000
FREQUENCY = 474000000
MODULATION = QAM/AUTO
SYMBOL_RATE = 6940000
INNER_FEC = AUTO
@ -335,6 +373,14 @@ You can browse scan tables online here: `dvb-scan-tables
Assuming this channel is named 'channel.conf', you can then run::
$ dvbv5-scan channel.conf
dvbv5-scan ~/vidtv.conf
ERROR command BANDWIDTH_HZ (5) not found during retrieve
Cannot calc frequency shift. Either bandwidth/symbol-rate is unavailable (yet).
Scanning frequency #1 330000000
(0x00) Signal= -68.00dBm
Scanning frequency #2 474000000
Lock (0x1f) Signal= -34.45dBm C/N= 33.74dB UCB= 0
Service Beethoven, provider LinuxTV.org: digital television
For more information on dvb-scan, check its documentation online here:
`dvb-scan Documentation <https://www.linuxtv.org/wiki/index.php/Dvbscan>`_.
@ -344,23 +390,38 @@ Using dvb-zap
dvbv5-zap is a command line tool that can be used to record MPEG-TS to disk. The
typical use is to tune into a channel and put it into record mode. The example
below - which is taken from the documentation - illustrates that::
below - which is taken from the documentation - illustrates that\ [1]_::
$ dvbv5-zap -c dvb_channel.conf "trilhas sonoras" -r
using demux '/dev/dvb/adapter0/demux0'
$ dvbv5-zap -c dvb_channel.conf "beethoven" -o music.ts -P -t 10
using demux 'dvb0.demux0'
reading channels from file 'dvb_channel.conf'
service has pid type 05: 204
tuning to 573000000 Hz
audio pid 104
dvb_set_pesfilter 104
Lock (0x1f) Quality= Good Signal= 100.00% C/N= -13.80dB UCB= 70 postBER= 3.14x10^-3 PER= 0
DVR interface '/dev/dvb/adapter0/dvr0' can now be opened
tuning to 474000000 Hz
pass all PID's to TS
dvb_set_pesfilter 8192
dvb_dev_set_bufsize: buffer set to 6160384
Lock (0x1f) Quality= Good Signal= -34.66dBm C/N= 33.41dB UCB= 0 postBER= 0 preBER= 1.05x10^-3 PER= 0
Lock (0x1f) Quality= Good Signal= -34.57dBm C/N= 33.46dB UCB= 0 postBER= 0 preBER= 1.05x10^-3 PER= 0
Record to file 'music.ts' started
received 24587768 bytes (2401 Kbytes/sec)
Lock (0x1f) Quality= Good Signal= -34.42dBm C/N= 33.89dB UCB= 0 postBER= 0 preBER= 2.44x10^-3 PER= 0
The channel can be watched by playing the contents of the DVR interface, with
some player that recognizes the MPEG-TS format, such as *mplayer* or *vlc*.
.. [1] In this example, it records 10 seconds with all program ID's stored
at the music.ts file.
The channel can be watched by playing the contents of the stream with some
player that recognizes the MPEG-TS format, such as ``mplayer`` or ``vlc``.
By playing the contents of the stream one can visually inspect the workings of
vidtv, e.g.::
vidtv, e.g., to play a recorded TS file with::
$ mplayer music.ts
or, alternatively, running this command on one terminal::
$ dvbv5-zap -c dvb_channel.conf "beethoven" -P -r &
And, on a second terminal, playing the contents from DVR interface with::
$ mplayer /dev/dvb/adapter0/dvr0
@ -423,3 +484,30 @@ A nice addition is to simulate some noise when the signal quality is bad by:
- Updating the error statistics accordingly (e.g. BER, etc).
- Simulating some noise in the encoded data.
Functions and structs used within vidtv
---------------------------------------
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_bridge.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_channel.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_demod.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_encoder.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_mux.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_pes.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_psi.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_s302m.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_ts.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_tuner.h
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_common.c
.. kernel-doc:: drivers/media/test-drivers/vidtv/vidtv_tuner.c

5
Documentation/kbuild/llvm.rst
View File

@ -57,9 +57,8 @@ to enable them. ::
They can be enabled individually. The full list of the parameters: ::
make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \
OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \
READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \
HOSTLD=ld.lld
OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump READELF=llvm-readelf \
HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar HOSTLD=ld.lld
Currently, the integrated assembler is disabled by default. You can pass
``LLVM_IAS=1`` to enable it.

26
Documentation/networking/netdev-FAQ.rst
View File

@ -254,6 +254,32 @@ you will have done run-time testing specific to your change, but at a
minimum, your changes should survive an ``allyesconfig`` and an
``allmodconfig`` build without new warnings or failures.
Q: How do I post corresponding changes to user space components?
----------------------------------------------------------------
A: User space code exercising kernel features should be posted
alongside kernel patches. This gives reviewers a chance to see
how any new interface is used and how well it works.
When user space tools reside in the kernel repo itself all changes
should generally come as one series. If series becomes too large
or the user space project is not reviewed on netdev include a link
to a public repo where user space patches can be seen.
In case user space tooling lives in a separate repository but is
reviewed on netdev (e.g. patches to `iproute2` tools) kernel and
user space patches should form separate series (threads) when posted
to the mailing list, e.g.::
[PATCH net-next 0/3] net: some feature cover letter
└─ [PATCH net-next 1/3] net: some feature prep
└─ [PATCH net-next 2/3] net: some feature do it
└─ [PATCH net-next 3/3] selftest: net: some feature
[PATCH iproute2-next] ip: add support for some feature
Posting as one thread is discouraged because it confuses patchwork
(as of patchwork 2.2.2).
Q: Any other tips to help ensure my net/net-next patch gets OK'd?
-----------------------------------------------------------------
A: Attention to detail. Re-read your own work as if you were the

22
MAINTAINERS
View File

@ -1724,11 +1724,13 @@ F: arch/arm/mach-ep93xx/micro9.c
ARM/CORESIGHT FRAMEWORK AND DRIVERS
M: Mathieu Poirier <mathieu.poirier@linaro.org>
R: Suzuki K Poulose <suzuki.poulose@arm.com>
M: Suzuki K Poulose <suzuki.poulose@arm.com>
R: Mike Leach <mike.leach@linaro.org>
R: Leo Yan <leo.yan@linaro.org>
L: coresight@lists.linaro.org (moderated for non-subscribers)
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux.git
F: Documentation/ABI/testing/sysfs-bus-coresight-devices-*
F: Documentation/devicetree/bindings/arm/coresight-cpu-debug.txt
F: Documentation/devicetree/bindings/arm/coresight-cti.yaml
@ -1995,7 +1997,6 @@ N: lpc18xx
ARM/LPC32XX SOC SUPPORT
M: Vladimir Zapolskiy <vz@mleia.com>
M: Sylvain Lemieux <slemieux.tyco@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://github.com/vzapolskiy/linux-lpc32xx.git
@ -3528,11 +3529,12 @@ BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER
M: Arend van Spriel <arend.vanspriel@broadcom.com>
M: Franky Lin <franky.lin@broadcom.com>
M: Hante Meuleman <hante.meuleman@broadcom.com>
M: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
M: Wright Feng <wright.feng@cypress.com>
M: Chi-hsien Lin <chi-hsien.lin@infineon.com>
M: Wright Feng <wright.feng@infineon.com>
M: Chung-hsien Hsu <chung-hsien.hsu@infineon.com>
L: linux-wireless@vger.kernel.org
L: brcm80211-dev-list.pdl@broadcom.com
L: brcm80211-dev-list@cypress.com
L: SHA-cyfmac-dev-list@infineon.com
S: Supported
F: drivers/net/wireless/broadcom/brcm80211/
@ -9646,6 +9648,7 @@ F: Documentation/virt/kvm/s390*
F: arch/s390/include/asm/gmap.h
F: arch/s390/include/asm/kvm*
F: arch/s390/include/uapi/asm/kvm*
F: arch/s390/kernel/uv.c
F: arch/s390/kvm/
F: arch/s390/mm/gmap.c
F: tools/testing/selftests/kvm/*/s390x/
@ -13161,7 +13164,9 @@ M: Jesper Dangaard Brouer <hawk@kernel.org>
M: Ilias Apalodimas <ilias.apalodimas@linaro.org>
L: netdev@vger.kernel.org
S: Supported
F: Documentation/networking/page_pool.rst
F: include/net/page_pool.h
F: include/trace/events/page_pool.h
F: net/core/page_pool.c
PANASONIC LAPTOP ACPI EXTRAS DRIVER
@ -14803,7 +14808,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.g
F: drivers/net/wireless/realtek/rtlwifi/
REALTEK WIRELESS DRIVER (rtw88)
M: Yan-Hsuan Chuang <yhchuang@realtek.com>
M: Yan-Hsuan Chuang <tony0620emma@gmail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
F: drivers/net/wireless/realtek/rtw88/
@ -15776,9 +15781,8 @@ F: drivers/slimbus/
F: include/linux/slimbus.h
SFC NETWORK DRIVER
M: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
M: Edward Cree <ecree@solarflare.com>
M: Martin Habets <mhabets@solarflare.com>
M: Edward Cree <ecree.xilinx@gmail.com>
M: Martin Habets <habetsm.xilinx@gmail.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/sfc/

6
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 10
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc6
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*
@ -433,7 +433,6 @@ NM = llvm-nm
OBJCOPY = llvm-objcopy
OBJDUMP = llvm-objdump
READELF = llvm-readelf
OBJSIZE = llvm-size
STRIP = llvm-strip
else
CC = $(CROSS_COMPILE)gcc
@ -443,7 +442,6 @@ NM = $(CROSS_COMPILE)nm
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
READELF = $(CROSS_COMPILE)readelf
OBJSIZE = $(CROSS_COMPILE)size
STRIP = $(CROSS_COMPILE)strip
endif
PAHOLE = pahole
@ -509,7 +507,7 @@ KBUILD_LDFLAGS :=
CLANG_FLAGS :=
export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC
export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD
export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE

2
arch/alpha/kernel/process.c
View File

@ -57,7 +57,7 @@ EXPORT_SYMBOL(pm_power_off);
void arch_cpu_idle(void)
{
wtint(0);
local_irq_enable();
raw_local_irq_enable();
}
void arch_cpu_idle_dead(void)

4
arch/arc/include/asm/bitops.h
View File

@ -243,10 +243,8 @@ static inline int constant_fls(unsigned int x)
x <<= 2;
r -= 2;
}
if (!(x & 0x80000000u)) {
x <<= 1;
if (!(x & 0x80000000u))
r -= 1;
}
return r;
}

2
arch/arc/include/asm/pgtable.h
View File

@ -134,8 +134,10 @@
#ifdef CONFIG_ARC_HAS_PAE40
#define PTE_BITS_NON_RWX_IN_PD1 (0xff00000000 | PAGE_MASK | _PAGE_CACHEABLE)
#define MAX_POSSIBLE_PHYSMEM_BITS 40
#else
#define PTE_BITS_NON_RWX_IN_PD1 (PAGE_MASK | _PAGE_CACHEABLE)
#define MAX_POSSIBLE_PHYSMEM_BITS 32
#endif
/**************************************************************************

56
arch/arc/kernel/stacktrace.c
View File

@ -38,15 +38,27 @@
#ifdef CONFIG_ARC_DW2_UNWIND
static void seed_unwind_frame_info(struct task_struct *tsk,
struct pt_regs *regs,
struct unwind_frame_info *frame_info)
static int
seed_unwind_frame_info(struct task_struct *tsk, struct pt_regs *regs,
struct unwind_frame_info *frame_info)
{
/*
* synchronous unwinding (e.g. dump_stack)
* - uses current values of SP and friends
*/
if (tsk == NULL && regs == NULL) {
if (regs) {
/*
* Asynchronous unwinding of intr/exception
* - Just uses the pt_regs passed
*/
frame_info->task = tsk;
frame_info->regs.r27 = regs->fp;
frame_info->regs.r28 = regs->sp;
frame_info->regs.r31 = regs->blink;
frame_info->regs.r63 = regs->ret;
frame_info->call_frame = 0;
} else if (tsk == NULL || tsk == current) {
/*
* synchronous unwinding (e.g. dump_stack)
* - uses current values of SP and friends
*/
unsigned long fp, sp, blink, ret;
frame_info->task = current;
@ -63,13 +75,17 @@ static void seed_unwind_frame_info(struct task_struct *tsk,
frame_info->regs.r31 = blink;
frame_info->regs.r63 = ret;
frame_info->call_frame = 0;
} else if (regs == NULL) {
} else {
/*
* Asynchronous unwinding of sleeping task
* - Gets SP etc from task's pt_regs (saved bottom of kernel
* mode stack of task)
* Asynchronous unwinding of a likely sleeping task
* - first ensure it is actually sleeping
* - if so, it will be in __switch_to, kernel mode SP of task
* is safe-kept and BLINK at a well known location in there
*/
if (tsk->state == TASK_RUNNING)
return -1;
frame_info->task = tsk;
frame_info->regs.r27 = TSK_K_FP(tsk);
@ -90,19 +106,8 @@ static void seed_unwind_frame_info(struct task_struct *tsk,
frame_info->regs.r28 += 60;
frame_info->call_frame = 0;
} else {
/*
* Asynchronous unwinding of intr/exception
* - Just uses the pt_regs passed
*/
frame_info->task = tsk;
frame_info->regs.r27 = regs->fp;
frame_info->regs.r28 = regs->sp;
frame_info->regs.r31 = regs->blink;
frame_info->regs.r63 = regs->ret;
frame_info->call_frame = 0;
}
return 0;
}
#endif
@ -116,7 +121,8 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs,
unsigned int address;
struct unwind_frame_info frame_info;
seed_unwind_frame_info(tsk, regs, &frame_info);
if (seed_unwind_frame_info(tsk, regs, &frame_info))
return 0;
while (1) {
address = UNW_PC(&frame_info);

24
arch/arc/mm/tlb.c
View File

@ -30,14 +30,14 @@
* -Changes related to MMU v2 (Rel 4.8)
*
* Vineetg: Aug 29th 2008
* -In TLB Flush operations (Metal Fix MMU) there is a explict command to
* -In TLB Flush operations (Metal Fix MMU) there is a explicit command to
* flush Micro-TLBS. If TLB Index Reg is invalid prior to TLBIVUTLB cmd,
* it fails. Thus need to load it with ANY valid value before invoking
* TLBIVUTLB cmd
*
* Vineetg: Aug 21th 2008:
* -Reduced the duration of IRQ lockouts in TLB Flush routines
* -Multiple copies of TLB erase code seperated into a "single" function
* -Multiple copies of TLB erase code separated into a "single" function
* -In TLB Flush routines, interrupt disabling moved UP to retrieve ASID
* in interrupt-safe region.
*
@ -66,7 +66,7 @@
*
* Although J-TLB is 2 way set assoc, ARC700 caches J-TLB into uTLBS which has
* much higher associativity. u-D-TLB is 8 ways, u-I-TLB is 4 ways.
* Given this, the thrasing problem should never happen because once the 3
* Given this, the thrashing problem should never happen because once the 3
* J-TLB entries are created (even though 3rd will knock out one of the prev
* two), the u-D-TLB and u-I-TLB will have what is required to accomplish memcpy
*
@ -127,7 +127,7 @@ static void utlb_invalidate(void)
* There was however an obscure hardware bug, where uTLB flush would
* fail when a prior probe for J-TLB (both totally unrelated) would
* return lkup err - because the entry didn't exist in MMU.
* The Workround was to set Index reg with some valid value, prior to
* The Workaround was to set Index reg with some valid value, prior to
* flush. This was fixed in MMU v3
*/
unsigned int idx;
@ -272,7 +272,7 @@ noinline void local_flush_tlb_all(void)
}
/*
* Flush the entrie MM for userland. The fastest way is to move to Next ASID
* Flush the entire MM for userland. The fastest way is to move to Next ASID
*/
noinline void local_flush_tlb_mm(struct mm_struct *mm)
{
@ -303,7 +303,7 @@ noinline void local_flush_tlb_mm(struct mm_struct *mm)
* Difference between this and Kernel Range Flush is
* -Here the fastest way (if range is too large) is to move to next ASID
* without doing any explicit Shootdown
* -In case of kernel Flush, entry has to be shot down explictly
* -In case of kernel Flush, entry has to be shot down explicitly
*/
void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
@ -620,7 +620,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr_unaligned,
* Super Page size is configurable in hardware (4K to 16M), but fixed once
* RTL builds.
*
* The exact THP size a Linx configuration will support is a function of:
* The exact THP size a Linux configuration will support is a function of:
* - MMU page size (typical 8K, RTL fixed)
* - software page walker address split between PGD:PTE:PFN (typical
* 11:8:13, but can be changed with 1 line)
@ -698,7 +698,7 @@ void local_flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
#endif
/* Read the Cache Build Confuration Registers, Decode them and save into
/* Read the Cache Build Configuration Registers, Decode them and save into
* the cpuinfo structure for later use.
* No Validation is done here, simply read/convert the BCRs
*/
@ -803,13 +803,13 @@ void arc_mmu_init(void)
pr_info("%s", arc_mmu_mumbojumbo(0, str, sizeof(str)));
/*
* Can't be done in processor.h due to header include depenedencies
* Can't be done in processor.h due to header include dependencies
*/
BUILD_BUG_ON(!IS_ALIGNED((CONFIG_ARC_KVADDR_SIZE << 20), PMD_SIZE));
/*
* stack top size sanity check,
* Can't be done in processor.h due to header include depenedencies
* Can't be done in processor.h due to header include dependencies
*/
BUILD_BUG_ON(!IS_ALIGNED(STACK_TOP, PMD_SIZE));
@ -881,7 +881,7 @@ void arc_mmu_init(void)
* the duplicate one.
* -Knob to be verbose abt it.(TODO: hook them up to debugfs)
*/
volatile int dup_pd_silent; /* Be slient abt it or complain (default) */
volatile int dup_pd_silent; /* Be silent abt it or complain (default) */
void do_tlb_overlap_fault(unsigned long cause, unsigned long address,
struct pt_regs *regs)
@ -948,7 +948,7 @@ void do_tlb_overlap_fault(unsigned long cause, unsigned long address,
/***********************************************************************
* Diagnostic Routines
* -Called from Low Level TLB Hanlders if things don;t look good
* -Called from Low Level TLB Handlers if things don;t look good
**********************************************************************/
#ifdef CONFIG_ARC_DBG_TLB_PARANOIA

2
arch/arm/boot/dts/am437x-l4.dtsi
View File

@ -521,7 +521,7 @@
ranges = <0x0 0x100000 0x8000>;
mac_sw: switch@0 {
compatible = "ti,am4372-cpsw","ti,cpsw-switch";
compatible = "ti,am4372-cpsw-switch", "ti,cpsw-switch";
reg = <0x0 0x4000>;
ranges = <0 0 0x4000>;
clocks = <&cpsw_125mhz_gclk>, <&dpll_clksel_mac_clk>;

4
arch/arm/boot/dts/dra76x.dtsi
View File

@ -32,8 +32,8 @@
interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "int0", "int1";
clocks = <&mcan_clk>, <&l3_iclk_div>;
clock-names = "cclk", "hclk";
clocks = <&l3_iclk_div>, <&mcan_clk>;
clock-names = "hclk", "cclk";
bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>;
};
};

2
arch/arm/include/asm/pgtable-2level.h
View File

@ -75,6 +75,8 @@
#define PTE_HWTABLE_OFF (PTE_HWTABLE_PTRS * sizeof(pte_t))
#define PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(u32))
#define MAX_POSSIBLE_PHYSMEM_BITS 32
/*
* PMD_SHIFT determines the size of the area a second-level page table can map
* PGDIR_SHIFT determines what a third-level page table entry can map

2
arch/arm/include/asm/pgtable-3level.h
View File

@ -25,6 +25,8 @@
#define PTE_HWTABLE_OFF (0)
#define PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(u64))
#define MAX_POSSIBLE_PHYSMEM_BITS 40
/*
* PGDIR_SHIFT determines the size a top-level page table entry can map.
*/

2
arch/arm/kernel/process.c
View File

@ -71,7 +71,7 @@ void arch_cpu_idle(void)
arm_pm_idle();
else
cpu_do_idle();
local_irq_enable();
raw_local_irq_enable();
}
void arch_cpu_idle_prepare(void)

3
arch/arm/mach-omap2/Kconfig
View File

@ -7,7 +7,6 @@ config ARCH_OMAP2
depends on ARCH_MULTI_V6
select ARCH_OMAP2PLUS
select CPU_V6
select PM_GENERIC_DOMAINS if PM
select SOC_HAS_OMAP2_SDRC
config ARCH_OMAP3
@ -106,6 +105,8 @@ config ARCH_OMAP2PLUS
select OMAP_DM_TIMER
select OMAP_GPMC
select PINCTRL
select PM_GENERIC_DOMAINS if PM
select PM_GENERIC_DOMAINS_OF if PM
select RESET_CONTROLLER
select SOC_BUS
select TI_SYSC

8
arch/arm/mach-omap2/cpuidle44xx.c
View File

@ -175,8 +175,11 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
if (mpuss_can_lose_context) {
error = cpu_cluster_pm_enter();
if (error) {
omap_set_pwrdm_state(mpu_pd, PWRDM_POWER_ON);
goto cpu_cluster_pm_out;
index = 0;
cx = state_ptr + index;
pwrdm_set_logic_retst(mpu_pd, cx->mpu_logic_state);
omap_set_pwrdm_state(mpu_pd, cx->mpu_state);
mpuss_can_lose_context = 0;
}
}
}
@ -184,7 +187,6 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
omap4_enter_lowpower(dev->cpu, cx->cpu_state);
cpu_done[dev->cpu] = true;
cpu_cluster_pm_out:
/* Wakeup CPU1 only if it is not offlined */
if (dev->cpu == 0 && cpumask_test_cpu(1, cpu_online_mask)) {

20
arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
View File

@ -5,20 +5,20 @@
usb {
compatible = "simple-bus";
dma-ranges;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0x68500000 0x00400000>;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0x68500000 0x0 0x00400000>;
usbphy0: usb-phy@0 {
compatible = "brcm,sr-usb-combo-phy";
reg = <0x00000000 0x100>;
reg = <0x0 0x00000000 0x0 0x100>;
#phy-cells = <1>;
status = "disabled";
};
xhci0: usb@1000 {
compatible = "generic-xhci";
reg = <0x00001000 0x1000>;
reg = <0x0 0x00001000 0x0 0x1000>;
interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>;
phys = <&usbphy0 1>, <&usbphy0 0>;
phy-names = "phy0", "phy1";
@ -28,7 +28,7 @@
bdc0: usb@2000 {
compatible = "brcm,bdc-v0.16";
reg = <0x00002000 0x1000>;
reg = <0x0 0x00002000 0x0 0x1000>;
interrupts = <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>;
phys = <&usbphy0 0>, <&usbphy0 1>;
phy-names = "phy0", "phy1";
@ -38,21 +38,21 @@
usbphy1: usb-phy@10000 {
compatible = "brcm,sr-usb-combo-phy";
reg = <0x00010000 0x100>;
reg = <0x0 0x00010000 0x0 0x100>;
#phy-cells = <1>;
status = "disabled";
};
usbphy2: usb-phy@20000 {
compatible = "brcm,sr-usb-hs-phy";
reg = <0x00020000 0x100>;
reg = <0x0 0x00020000 0x0 0x100>;
#phy-cells = <0>;
status = "disabled";
};
xhci1: usb@11000 {
compatible = "generic-xhci";
reg = <0x00011000 0x1000>;
reg = <0x0 0x00011000 0x0 0x1000>;
interrupts = <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>;
phys = <&usbphy1 1>, <&usbphy2>, <&usbphy1 0>;
phy-names = "phy0", "phy1", "phy2";
@ -62,7 +62,7 @@
bdc1: usb@21000 {
compatible = "brcm,bdc-v0.16";
reg = <0x00021000 0x1000>;
reg = <0x0 0x00021000 0x0 0x1000>;
interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
phys = <&usbphy2>;
phy-names = "phy0";

12
arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
View File

@ -10,18 +10,6 @@
model = "NVIDIA Jetson TX2 Developer Kit";
compatible = "nvidia,p2771-0000", "nvidia,tegra186";
aconnect {
status = "okay";
dma-controller@2930000 {
status = "okay";
};
interrupt-controller@2a40000 {
status = "okay";
};
};
i2c@3160000 {
power-monitor@42 {
compatible = "ti,ina3221";

2
arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
View File

@ -54,7 +54,7 @@
status = "okay";
};
serial@c280000 {
serial@3100000 {
status = "okay";
};

2
arch/arm64/boot/dts/nvidia/tegra194.dtsi
View File

@ -1161,7 +1161,7 @@
hsp_aon: hsp@c150000 {
compatible = "nvidia,tegra194-hsp", "nvidia,tegra186-hsp";
reg = <0x0c150000 0xa0000>;
reg = <0x0c150000 0x90000>;
interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,

20
arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
View File

@ -1663,16 +1663,6 @@
vin-supply = <&vdd_5v0_sys>;
};
vdd_usb_vbus_otg: regulator@11 {
compatible = "regulator-fixed";
regulator-name = "USB_VBUS_EN0";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio TEGRA_GPIO(CC, 4) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
vdd_hdmi: regulator@10 {
compatible = "regulator-fixed";
regulator-name = "VDD_HDMI_5V0";
@ -1712,4 +1702,14 @@
enable-active-high;
vin-supply = <&vdd_3v3_sys>;
};
vdd_usb_vbus_otg: regulator@14 {
compatible = "regulator-fixed";
regulator-name = "USB_VBUS_EN0";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio TEGRA_GPIO(CC, 4) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_5v0_sys>;
};
};

6
arch/arm64/boot/dts/nvidia/tegra234-sim-vdk.dts
View File

@ -8,7 +8,7 @@
compatible = "nvidia,tegra234-vdk", "nvidia,tegra234";
aliases {
sdhci3 = "/cbb@0/sdhci@3460000";
mmc3 = "/bus@0/mmc@3460000";
serial0 = &uarta;
};
@ -17,12 +17,12 @@
stdout-path = "serial0:115200n8";
};
cbb@0 {
bus@0 {
serial@3100000 {
status = "okay";
};
sdhci@3460000 {
mmc@3460000 {
status = "okay";
bus-width = <8>;
non-removable;

72
arch/arm64/boot/dts/qcom/ipq6018.dtsi
View File

@ -179,22 +179,22 @@
};
soc: soc {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0 0 0xffffffff>;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0 0 0 0 0x0 0xffffffff>;
dma-ranges;
compatible = "simple-bus";
prng: qrng@e1000 {
compatible = "qcom,prng-ee";
reg = <0xe3000 0x1000>;
reg = <0x0 0xe3000 0x0 0x1000>;
clocks = <&gcc GCC_PRNG_AHB_CLK>;
clock-names = "core";
};
cryptobam: dma@704000 {
compatible = "qcom,bam-v1.7.0";
reg = <0x00704000 0x20000>;
reg = <0x0 0x00704000 0x0 0x20000>;
interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_CRYPTO_AHB_CLK>;
clock-names = "bam_clk";
@ -206,7 +206,7 @@
crypto: crypto@73a000 {
compatible = "qcom,crypto-v5.1";
reg = <0x0073a000 0x6000>;
reg = <0x0 0x0073a000 0x0 0x6000>;
clocks = <&gcc GCC_CRYPTO_AHB_CLK>,
<&gcc GCC_CRYPTO_AXI_CLK>,
<&gcc GCC_CRYPTO_CLK>;
@ -217,7 +217,7 @@
tlmm: pinctrl@1000000 {
compatible = "qcom,ipq6018-pinctrl";
reg = <0x01000000 0x300000>;
reg = <0x0 0x01000000 0x0 0x300000>;
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
@ -235,7 +235,7 @@
gcc: gcc@1800000 {
compatible = "qcom,gcc-ipq6018";
reg = <0x01800000 0x80000>;
reg = <0x0 0x01800000 0x0 0x80000>;
clocks = <&xo>, <&sleep_clk>;
clock-names = "xo", "sleep_clk";
#clock-cells = <1>;
@ -244,17 +244,17 @@
tcsr_mutex_regs: syscon@1905000 {
compatible = "syscon";
reg = <0x01905000 0x8000>;
reg = <0x0 0x01905000 0x0 0x8000>;
};
tcsr_q6: syscon@1945000 {
compatible = "syscon";
reg = <0x01945000 0xe000>;
reg = <0x0 0x01945000 0x0 0xe000>;
};
blsp_dma: dma@7884000 {
compatible = "qcom,bam-v1.7.0";
reg = <0x07884000 0x2b000>;
reg = <0x0 0x07884000 0x0 0x2b000>;
interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "bam_clk";
@ -264,7 +264,7 @@
blsp1_uart3: serial@78b1000 {
compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
reg = <0x078b1000 0x200>;
reg = <0x0 0x078b1000 0x0 0x200>;
interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_UART3_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
@ -276,7 +276,7 @@
compatible = "qcom,spi-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x078b5000 0x600>;
reg = <0x0 0x078b5000 0x0 0x600>;
interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
spi-max-frequency = <50000000>;
clocks = <&gcc GCC_BLSP1_QUP1_SPI_APPS_CLK>,
@ -291,7 +291,7 @@
compatible = "qcom,spi-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x078b6000 0x600>;
reg = <0x0 0x078b6000 0x0 0x600>;
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
spi-max-frequency = <50000000>;
clocks = <&gcc GCC_BLSP1_QUP2_SPI_APPS_CLK>,
@ -306,7 +306,7 @@
compatible = "qcom,i2c-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x078b6000 0x600>;
reg = <0x0 0x078b6000 0x0 0x600>;
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_AHB_CLK>,
<&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>;
@ -321,7 +321,7 @@
compatible = "qcom,i2c-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x078b7000 0x600>;
reg = <0x0 0x078b7000 0x0 0x600>;
interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_AHB_CLK>,
<&gcc GCC_BLSP1_QUP3_I2C_APPS_CLK>;
@ -336,24 +336,24 @@
compatible = "qcom,msm-qgic2";
interrupt-controller;
#interrupt-cells = <0x3>;
reg = <0x0b000000 0x1000>, /*GICD*/
<0x0b002000 0x1000>, /*GICC*/
<0x0b001000 0x1000>, /*GICH*/
<0x0b004000 0x1000>; /*GICV*/
reg = <0x0 0x0b000000 0x0 0x1000>, /*GICD*/
<0x0 0x0b002000 0x0 0x1000>, /*GICC*/
<0x0 0x0b001000 0x0 0x1000>, /*GICH*/
<0x0 0x0b004000 0x0 0x1000>; /*GICV*/
interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
};
watchdog@b017000 {
compatible = "qcom,kpss-wdt";
interrupts = <GIC_SPI 3 IRQ_TYPE_EDGE_RISING>;
reg = <0x0b017000 0x40>;
reg = <0x0 0x0b017000 0x0 0x40>;
clocks = <&sleep_clk>;
timeout-sec = <10>;
};
apcs_glb: mailbox@b111000 {
compatible = "qcom,ipq6018-apcs-apps-global";
reg = <0x0b111000 0x1000>;
reg = <0x0 0x0b111000 0x0 0x1000>;
#clock-cells = <1>;
clocks = <&a53pll>, <&xo>;
clock-names = "pll", "xo";
@ -362,7 +362,7 @@
a53pll: clock@b116000 {
compatible = "qcom,ipq6018-a53pll";
reg = <0x0b116000 0x40>;
reg = <0x0 0x0b116000 0x0 0x40>;
#clock-cells = <0>;
clocks = <&xo>;
clock-names = "xo";
@ -377,68 +377,68 @@
};
timer@b120000 {
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
compatible = "arm,armv7-timer-mem";
reg = <0x0b120000 0x1000>;
reg = <0x0 0x0b120000 0x0 0x1000>;
clock-frequency = <19200000>;
frame@b120000 {
frame-number = <0>;
interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x0b121000 0x1000>,
<0x0b122000 0x1000>;
reg = <0x0 0x0b121000 0x0 0x1000>,
<0x0 0x0b122000 0x0 0x1000>;
};
frame@b123000 {
frame-number = <1>;
interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
reg = <0xb123000 0x1000>;
reg = <0x0 0xb123000 0x0 0x1000>;
status = "disabled";
};
frame@b124000 {
frame-number = <2>;
interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x0b124000 0x1000>;
reg = <0x0 0x0b124000 0x0 0x1000>;
status = "disabled";
};
frame@b125000 {
frame-number = <3>;
interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x0b125000 0x1000>;
reg = <0x0 0x0b125000 0x0 0x1000>;
status = "disabled";
};
frame@b126000 {
frame-number = <4>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x0b126000 0x1000>;
reg = <0x0 0x0b126000 0x0 0x1000>;
status = "disabled";
};
frame@b127000 {
frame-number = <5>;
interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x0b127000 0x1000>;
reg = <0x0 0x0b127000 0x0 0x1000>;
status = "disabled";
};
frame@b128000 {
frame-number = <6>;
interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x0b128000 0x1000>;
reg = <0x0 0x0b128000 0x0 0x1000>;
status = "disabled";
};
};
q6v5_wcss: remoteproc@cd00000 {
compatible = "qcom,ipq8074-wcss-pil";
reg = <0x0cd00000 0x4040>,
<0x004ab000 0x20>;
reg = <0x0 0x0cd00000 0x0 0x4040>,
<0x0 0x004ab000 0x0 0x20>;
reg-names = "qdsp6",
"rmb";
interrupts-extended = <&intc GIC_SPI 325 IRQ_TYPE_EDGE_RISING>,

1
arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts
View File

@ -243,7 +243,6 @@
interrupts = <RK_PB2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_int>;
rockchip,system-power-controller;
wakeup-source;
#clock-cells = <1>;
clock-output-names = "rk808-clkout1", "xin32k";

2
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
View File

@ -20,7 +20,7 @@
gmac_clk: gmac-clock {
compatible = "fixed-clock";
clock-frequency = <125000000>;
clock-output-names = "gmac_clk";
clock-output-names = "gmac_clkin";
#clock-cells = <0>;
};

4
arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
View File

@ -74,14 +74,14 @@
label = "red:diy";
gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
default-state = "off";
linux,default-trigger = "mmc1";
linux,default-trigger = "mmc2";
};
yellow_led: led-2 {
label = "yellow:yellow-led";
gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
default-state = "off";
linux,default-trigger = "mmc0";
linux,default-trigger = "mmc1";
};
};

3
arch/arm64/boot/dts/rockchip/rk3399.dtsi
View File

@ -29,6 +29,9 @@
i2c6 = &i2c6;
i2c7 = &i2c7;
i2c8 = &i2c8;
mmc0 = &sdio0;
mmc1 = &sdmmc;
mmc2 = &sdhci;
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;

34
arch/arm64/include/asm/pgtable.h
View File

@ -115,8 +115,6 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#define pte_valid(pte) (!!(pte_val(pte) & PTE_VALID))
#define pte_valid_not_user(pte) \
((pte_val(pte) & (PTE_VALID | PTE_USER)) == PTE_VALID)
#define pte_valid_young(pte) \
((pte_val(pte) & (PTE_VALID | PTE_AF)) == (PTE_VALID | PTE_AF))
#define pte_valid_user(pte) \
((pte_val(pte) & (PTE_VALID | PTE_USER)) == (PTE_VALID | PTE_USER))
@ -124,9 +122,12 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
* Could the pte be present in the TLB? We must check mm_tlb_flush_pending
* so that we don't erroneously return false for pages that have been
* remapped as PROT_NONE but are yet to be flushed from the TLB.
* Note that we can't make any assumptions based on the state of the access
* flag, since ptep_clear_flush_young() elides a DSB when invalidating the
* TLB.
*/
#define pte_accessible(mm, pte) \
(mm_tlb_flush_pending(mm) ? pte_present(pte) : pte_valid_young(pte))
(mm_tlb_flush_pending(mm) ? pte_present(pte) : pte_valid(pte))
/*
* p??_access_permitted() is true for valid user mappings (subject to the
@ -164,13 +165,6 @@ static inline pmd_t set_pmd_bit(pmd_t pmd, pgprot_t prot)
return pmd;
}
static inline pte_t pte_wrprotect(pte_t pte)
{
pte = clear_pte_bit(pte, __pgprot(PTE_WRITE));
pte = set_pte_bit(pte, __pgprot(PTE_RDONLY));
return pte;
}
static inline pte_t pte_mkwrite(pte_t pte)
{
pte = set_pte_bit(pte, __pgprot(PTE_WRITE));
@ -196,6 +190,20 @@ static inline pte_t pte_mkdirty(pte_t pte)
return pte;
}
static inline pte_t pte_wrprotect(pte_t pte)
{
/*
* If hardware-dirty (PTE_WRITE/DBM bit set and PTE_RDONLY
* clear), set the PTE_DIRTY bit.
*/
if (pte_hw_dirty(pte))
pte = pte_mkdirty(pte);
pte = clear_pte_bit(pte, __pgprot(PTE_WRITE));
pte = set_pte_bit(pte, __pgprot(PTE_RDONLY));
return pte;
}
static inline pte_t pte_mkold(pte_t pte)
{
return clear_pte_bit(pte, __pgprot(PTE_AF));
@ -845,12 +853,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
pte = READ_ONCE(*ptep);
do {
old_pte = pte;
/*
* If hardware-dirty (PTE_WRITE/DBM bit set and PTE_RDONLY
* clear), set the PTE_DIRTY bit.
*/
if (pte_hw_dirty(pte))
pte = pte_mkdirty(pte);
pte = pte_wrprotect(pte);
pte_val(pte) = cmpxchg_relaxed(&pte_val(*ptep),
pte_val(old_pte), pte_val(pte));

2
arch/arm64/include/asm/probes.h
View File

@ -7,6 +7,8 @@
#ifndef _ARM_PROBES_H
#define _ARM_PROBES_H
#include <asm/insn.h>
typedef u32 probe_opcode_t;
typedef void (probes_handler_t) (u32 opcode, long addr, struct pt_regs *);

2
arch/arm64/kernel/process.c
View File

@ -126,7 +126,7 @@ void arch_cpu_idle(void)
* tricks
*/
cpu_do_idle();
local_irq_enable();
raw_local_irq_enable();
}
#ifdef CONFIG_HOTPLUG_CPU

5
arch/arm64/kvm/hyp/nvhe/hyp.lds.S
View File

@ -13,6 +13,11 @@
SECTIONS {
HYP_SECTION(.text)
/*
* .hyp..data..percpu needs to be page aligned to maintain the same
* alignment for when linking into vmlinux.
*/
. = ALIGN(PAGE_SIZE);
HYP_SECTION_NAME(.data..percpu) : {
PERCPU_INPUT(L1_CACHE_BYTES)
}

22
arch/arm64/kvm/vgic/vgic-mmio-v3.c
View File

@ -273,6 +273,23 @@ static unsigned long vgic_mmio_read_v3r_typer(struct kvm_vcpu *vcpu,
return extract_bytes(value, addr & 7, len);
}
static unsigned long vgic_uaccess_read_v3r_typer(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len)
{
unsigned long mpidr = kvm_vcpu_get_mpidr_aff(vcpu);
int target_vcpu_id = vcpu->vcpu_id;
u64 value;
value = (u64)(mpidr & GENMASK(23, 0)) << 32;
value |= ((target_vcpu_id & 0xffff) << 8);
if (vgic_has_its(vcpu->kvm))
value |= GICR_TYPER_PLPIS;
/* reporting of the Last bit is not supported for userspace */
return extract_bytes(value, addr & 7, len);
}
static unsigned long vgic_mmio_read_v3r_iidr(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len)
{
@ -593,8 +610,9 @@ static const struct vgic_register_region vgic_v3_rd_registers[] = {
REGISTER_DESC_WITH_LENGTH(GICR_IIDR,
vgic_mmio_read_v3r_iidr, vgic_mmio_write_wi, 4,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_LENGTH(GICR_TYPER,
vgic_mmio_read_v3r_typer, vgic_mmio_write_wi, 8,
REGISTER_DESC_WITH_LENGTH_UACCESS(GICR_TYPER,
vgic_mmio_read_v3r_typer, vgic_mmio_write_wi,
vgic_uaccess_read_v3r_typer, vgic_mmio_uaccess_write_wi, 8,
VGIC_ACCESS_64bit | VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_LENGTH(GICR_WAKER,
vgic_mmio_read_raz, vgic_mmio_write_wi, 4,

2
arch/csky/kernel/process.c
View File

@ -102,6 +102,6 @@ void arch_cpu_idle(void)
#ifdef CONFIG_CPU_PM_STOP
asm volatile("stop\n");
#endif
local_irq_enable();
raw_local_irq_enable();
}
#endif

2
arch/h8300/kernel/process.c
View File

@ -57,7 +57,7 @@ asmlinkage void ret_from_kernel_thread(void);
*/
void arch_cpu_idle(void)
{
local_irq_enable();
raw_local_irq_enable();
__asm__("sleep");
}

2
arch/hexagon/kernel/process.c
View File

@ -44,7 +44,7 @@ void arch_cpu_idle(void)
{
__vmwait();
/* interrupts wake us up, but irqs are still disabled */
local_irq_enable();
raw_local_irq_enable();
}
/*

2
arch/ia64/kernel/process.c
View File

@ -239,7 +239,7 @@ void arch_cpu_idle(void)
if (mark_idle)
(*mark_idle)(1);
safe_halt();
raw_safe_halt();
if (mark_idle)
(*mark_idle)(0);

2
arch/microblaze/kernel/process.c
View File

@ -149,5 +149,5 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpregs)
void arch_cpu_idle(void)
{
local_irq_enable();
raw_local_irq_enable();
}

3
arch/mips/include/asm/pgtable-32.h
View File

@ -154,6 +154,7 @@ static inline void pmd_clear(pmd_t *pmdp)
#if defined(CONFIG_XPA)
#define MAX_POSSIBLE_PHYSMEM_BITS 40
#define pte_pfn(x) (((unsigned long)((x).pte_high >> _PFN_SHIFT)) | (unsigned long)((x).pte_low << _PAGE_PRESENT_SHIFT))
static inline pte_t
pfn_pte(unsigned long pfn, pgprot_t prot)
@ -169,6 +170,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
#elif defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
#define MAX_POSSIBLE_PHYSMEM_BITS 36
#define pte_pfn(x) ((unsigned long)((x).pte_high >> 6))
static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
@ -183,6 +185,7 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
#else
#define MAX_POSSIBLE_PHYSMEM_BITS 32
#ifdef CONFIG_CPU_VR41XX
#define pte_pfn(x) ((unsigned long)((x).pte >> (PAGE_SHIFT + 2)))
#define pfn_pte(pfn, prot) __pte(((pfn) << (PAGE_SHIFT + 2)) | pgprot_val(prot))

12
arch/mips/kernel/idle.c
View File

@ -33,19 +33,19 @@ static void __cpuidle r3081_wait(void)
{
unsigned long cfg = read_c0_conf();
write_c0_conf(cfg | R30XX_CONF_HALT);
local_irq_enable();
raw_local_irq_enable();
}
static void __cpuidle r39xx_wait(void)
{
if (!need_resched())
write_c0_conf(read_c0_conf() | TX39_CONF_HALT);
local_irq_enable();
raw_local_irq_enable();
}
void __cpuidle r4k_wait(void)
{
local_irq_enable();
raw_local_irq_enable();
__r4k_wait();
}
@ -64,7 +64,7 @@ void __cpuidle r4k_wait_irqoff(void)
" .set arch=r4000 \n"
" wait \n"
" .set pop \n");
local_irq_enable();
raw_local_irq_enable();
}
/*
@ -84,7 +84,7 @@ static void __cpuidle rm7k_wait_irqoff(void)
" wait \n"
" mtc0 $1, $12 # stalls until W stage \n"
" .set pop \n");
local_irq_enable();
raw_local_irq_enable();
}
/*
@ -257,7 +257,7 @@ void arch_cpu_idle(void)
if (cpu_wait)
cpu_wait();
else
local_irq_enable();
raw_local_irq_enable();
}
#ifdef CONFIG_CPU_IDLE

2
arch/nios2/kernel/process.c
View File

@ -33,7 +33,7 @@ EXPORT_SYMBOL(pm_power_off);
void arch_cpu_idle(void)
{
local_irq_enable();
raw_local_irq_enable();
}
/*

2
arch/openrisc/kernel/process.c
View File

@ -79,7 +79,7 @@ void machine_power_off(void)
*/
void arch_cpu_idle(void)
{
local_irq_enable();
raw_local_irq_enable();
if (mfspr(SPR_UPR) & SPR_UPR_PMP)
mtspr(SPR_PMR, mfspr(SPR_PMR) | SPR_PMR_DME);
}

2
arch/parisc/kernel/process.c
View File

@ -169,7 +169,7 @@ void __cpuidle arch_cpu_idle_dead(void)
void __cpuidle arch_cpu_idle(void)
{
local_irq_enable();
raw_local_irq_enable();
/* nop on real hardware, qemu will idle sleep. */
asm volatile("or %%r10,%%r10,%%r10\n":::);

1
arch/powerpc/Makefile
View File

@ -248,7 +248,6 @@ KBUILD_CFLAGS += $(call cc-option,-mno-string)
cpu-as-$(CONFIG_40x) += -Wa,-m405
cpu-as-$(CONFIG_44x) += -Wa,-m440
cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec)
cpu-as-$(CONFIG_E200) += -Wa,-me200
cpu-as-$(CONFIG_E500) += -Wa,-me500
# When using '-many -mpower4' gas will first try and find a matching power4

2
arch/powerpc/include/asm/book3s/32/pgtable.h
View File

@ -36,8 +36,10 @@ static inline bool pte_user(pte_t pte)
*/
#ifdef CONFIG_PTE_64BIT
#define PTE_RPN_MASK (~((1ULL << PTE_RPN_SHIFT) - 1))
#define MAX_POSSIBLE_PHYSMEM_BITS 36
#else
#define PTE_RPN_MASK (~((1UL << PTE_RPN_SHIFT) - 1))
#define MAX_POSSIBLE_PHYSMEM_BITS 32
#endif
/*

2
arch/powerpc/include/asm/book3s/64/kup-radix.h
View File

@ -63,6 +63,8 @@
#else /* !__ASSEMBLY__ */
#include <linux/jump_label.h>
DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);
#ifdef CONFIG_PPC_KUAP

2
arch/powerpc/include/asm/nohash/32/pgtable.h
View File

@ -153,8 +153,10 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
*/
#if defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT)
#define PTE_RPN_MASK (~((1ULL << PTE_RPN_SHIFT) - 1))
#define MAX_POSSIBLE_PHYSMEM_BITS 36
#else
#define PTE_RPN_MASK (~((1UL << PTE_RPN_SHIFT) - 1))
#define MAX_POSSIBLE_PHYSMEM_BITS 32
#endif
/*

13
arch/powerpc/kernel/exceptions-64s.S
View File

@ -1000,8 +1000,6 @@ TRAMP_REAL_BEGIN(system_reset_idle_wake)
* Vectors for the FWNMI option. Share common code.
*/
TRAMP_REAL_BEGIN(system_reset_fwnmi)
/* XXX: fwnmi guest could run a nested/PR guest, so why no test? */
__IKVM_REAL(system_reset)=0
GEN_INT_ENTRY system_reset, virt=0
#endif /* CONFIG_PPC_PSERIES */
@ -1412,6 +1410,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
* If none is found, do a Linux page fault. Linux page faults can happen in
* kernel mode due to user copy operations of course.
*
* KVM: The KVM HDSI handler may perform a load with MSR[DR]=1 in guest
* MMU context, which may cause a DSI in the host, which must go to the
* KVM handler. MSR[IR] is not enabled, so the real-mode handler will
* always be used regardless of AIL setting.
*
* - Radix MMU
* The hardware loads from the Linux page table directly, so a fault goes
* immediately to Linux page fault.
@ -1422,10 +1425,8 @@ INT_DEFINE_BEGIN(data_access)
IVEC=0x300
IDAR=1
IDSISR=1
#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
IKVM_SKIP=1
IKVM_REAL=1
#endif
INT_DEFINE_END(data_access)
EXC_REAL_BEGIN(data_access, 0x300, 0x80)
@ -1464,6 +1465,8 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
* ppc64_bolted_size (first segment). The kernel handler must avoid stomping
* on user-handler data structures.
*
* KVM: Same as 0x300, DSLB must test for KVM guest.
*
* A dedicated save area EXSLB is used (XXX: but it actually need not be
* these days, we could use EXGEN).
*/
@ -1472,10 +1475,8 @@ INT_DEFINE_BEGIN(data_access_slb)
IAREA=PACA_EXSLB
IRECONCILE=0
IDAR=1
#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
IKVM_SKIP=1
IKVM_REAL=1
#endif
INT_DEFINE_END(data_access_slb)
EXC_REAL_BEGIN(data_access_slb, 0x380, 0x80)

3
arch/powerpc/kernel/head_book3s_32.S
View File

@ -156,6 +156,7 @@ __after_mmu_off:
bl initial_bats
bl load_segment_registers
BEGIN_MMU_FTR_SECTION
bl reloc_offset
bl early_hash_table
END_MMU_FTR_SECTION_IFSET(MMU_FTR_HPTE_TABLE)
#if defined(CONFIG_BOOTX_TEXT)
@ -920,7 +921,7 @@ early_hash_table:
ori r6, r6, 3 /* 256kB table */
mtspr SPRN_SDR1, r6
lis r6, early_hash@h
lis r3, Hash@ha
addis r3, r3, Hash@ha
stw r6, Hash@l(r3)
blr

4
arch/powerpc/kernel/idle.c
View File

@ -52,9 +52,9 @@ void arch_cpu_idle(void)
* interrupts enabled, some don't.
*/
if (irqs_disabled())
local_irq_enable();
raw_local_irq_enable();
} else {
local_irq_enable();
raw_local_irq_enable();
/*
* Go into low thread priority and possibly
* low power mode.

7
arch/powerpc/kvm/book3s_xive_native.c
View File

@ -251,6 +251,13 @@ static vm_fault_t xive_native_esb_fault(struct vm_fault *vmf)
}
state = &sb->irq_state[src];
/* Some sanity checking */
if (!state->valid) {
pr_devel("%s: source %lx invalid !\n", __func__, irq);
return VM_FAULT_SIGBUS;
}
kvmppc_xive_select_irq(state, &hw_num, &xd);
arch_spin_lock(&sb->lock);

2
arch/riscv/include/asm/pgtable-32.h
View File

@ -14,4 +14,6 @@
#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT)
#define PGDIR_MASK (~(PGDIR_SIZE - 1))
#define MAX_POSSIBLE_PHYSMEM_BITS 34
#endif /* _ASM_RISCV_PGTABLE_32_H */

2
arch/riscv/include/asm/vdso/processor.h
View File

@ -4,6 +4,8 @@
#ifndef __ASSEMBLY__
#include <asm/barrier.h>
static inline void cpu_relax(void)
{
#ifdef __riscv_muldiv

2
arch/riscv/kernel/process.c
View File

@ -36,7 +36,7 @@ extern asmlinkage void ret_from_kernel_thread(void);
void arch_cpu_idle(void)
{
wait_for_interrupt();
local_irq_enable();
raw_local_irq_enable();
}
void show_regs(struct pt_regs *regs)

1
arch/riscv/kernel/setup.c
View File

@ -75,6 +75,7 @@ void __init setup_arch(char **cmdline_p)
*cmdline_p = boot_command_line;
early_ioremap_setup();
jump_label_init();
parse_early_param();
efi_init();

2
arch/riscv/kernel/vdso/Makefile
View File

@ -44,7 +44,7 @@ SYSCFLAGS_vdso.so.dbg = $(c_flags)
$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE
$(call if_changed,vdsold)
SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \
-Wl,--build-id -Wl,--hash-style=both
-Wl,--build-id=sha1 -Wl,--hash-style=both
# We also create a special relocatable object that should mirror the symbol
# table and layout of the linked DSO. With ld --just-symbols we can then

10
arch/s390/kernel/asm-offsets.c
View File

@ -53,11 +53,11 @@ int main(void)
/* stack_frame offsets */
OFFSET(__SF_BACKCHAIN, stack_frame, back_chain);
OFFSET(__SF_GPRS, stack_frame, gprs);
OFFSET(__SF_EMPTY, stack_frame, empty1);
OFFSET(__SF_SIE_CONTROL, stack_frame, empty1[0]);
OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty1[1]);
OFFSET(__SF_SIE_REASON, stack_frame, empty1[2]);
OFFSET(__SF_SIE_FLAGS, stack_frame, empty1[3]);
OFFSET(__SF_EMPTY, stack_frame, empty1[0]);
OFFSET(__SF_SIE_CONTROL, stack_frame, empty1[1]);
OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty1[2]);
OFFSET(__SF_SIE_REASON, stack_frame, empty1[3]);
OFFSET(__SF_SIE_FLAGS, stack_frame, empty1[4]);
BLANK();
OFFSET(__VDSO_GETCPU_VAL, vdso_per_cpu_data, getcpu_val);
BLANK();

2
arch/s390/kernel/entry.S
View File

@ -1068,6 +1068,7 @@ EXPORT_SYMBOL(save_fpu_regs)
* %r4
*/
load_fpu_regs:
stnsm __SF_EMPTY(%r15),0xfc
lg %r4,__LC_CURRENT
aghi %r4,__TASK_thread
TSTMSK __LC_CPU_FLAGS,_CIF_FPU
@ -1099,6 +1100,7 @@ load_fpu_regs:
.Lload_fpu_regs_done:
ni __LC_CPU_FLAGS+7,255-_CIF_FPU
.Lload_fpu_regs_exit:
ssm __SF_EMPTY(%r15)
BR_EX %r14
.Lload_fpu_regs_end:
ENDPROC(load_fpu_regs)

6
arch/s390/kernel/idle.c
View File

@ -33,10 +33,10 @@ void enabled_wait(void)
PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
clear_cpu_flag(CIF_NOHZ_DELAY);
local_irq_save(flags);
raw_local_irq_save(flags);
/* Call the assembler magic in entry.S */
psw_idle(idle, psw_mask);
local_irq_restore(flags);
raw_local_irq_restore(flags);
/* Account time spent with enabled wait psw loaded as idle time. */
raw_write_seqcount_begin(&idle->seqcount);
@ -123,7 +123,7 @@ void arch_cpu_idle_enter(void)
void arch_cpu_idle(void)
{
enabled_wait();
local_irq_enable();
raw_local_irq_enable();
}
void arch_cpu_idle_exit(void)

9
arch/s390/kernel/uv.c
View File

@ -129,8 +129,15 @@ int uv_destroy_page(unsigned long paddr)
.paddr = paddr
};
if (uv_call(0, (u64)&uvcb))
if (uv_call(0, (u64)&uvcb)) {
/*
* Older firmware uses 107/d as an indication of a non secure
* page. Let us emulate the newer variant (no-op).
*/
if (uvcb.header.rc == 0x107 && uvcb.header.rrc == 0xd)
return 0;
return -EINVAL;
}
return 0;
}

4
arch/s390/kvm/kvm-s390.c
View File

@ -2312,7 +2312,7 @@ static int kvm_s390_handle_pv(struct kvm *kvm, struct kvm_pv_cmd *cmd)
struct kvm_s390_pv_unp unp = {};
r = -EINVAL;
if (!kvm_s390_pv_is_protected(kvm))
if (!kvm_s390_pv_is_protected(kvm) || !mm_is_protected(kvm->mm))
break;
r = -EFAULT;
@ -3564,7 +3564,6 @@ static void kvm_arch_vcpu_ioctl_initial_reset(struct kvm_vcpu *vcpu)
vcpu->arch.sie_block->pp = 0;
vcpu->arch.sie_block->fpf &= ~FPF_BPBC;
vcpu->arch.sie_block->todpr = 0;
vcpu->arch.sie_block->cpnc = 0;
}
}
@ -3582,7 +3581,6 @@ static void kvm_arch_vcpu_ioctl_clear_reset(struct kvm_vcpu *vcpu)
regs->etoken = 0;
regs->etoken_extension = 0;
regs->diag318 = 0;
}
int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)

3
arch/s390/kvm/pv.c
View File

@ -208,7 +208,6 @@ int kvm_s390_pv_init_vm(struct kvm *kvm, u16 *rc, u16 *rrc)
return -EIO;
}
kvm->arch.gmap->guest_handle = uvcb.guest_handle;
atomic_set(&kvm->mm->context.is_protected, 1);
return 0;
}
@ -228,6 +227,8 @@ int kvm_s390_pv_set_sec_parms(struct kvm *kvm, void *hdr, u64 length, u16 *rc,
*rrc = uvcb.header.rrc;
KVM_UV_EVENT(kvm, 3, "PROTVIRT VM SET PARMS: rc %x rrc %x",
*rc, *rrc);
if (!cc)
atomic_set(&kvm->mm->context.is_protected, 1);
return cc ? -EINVAL : 0;
}

2
arch/s390/mm/gmap.c
View File

@ -2690,6 +2690,8 @@ static const struct mm_walk_ops reset_acc_walk_ops = {
#include <linux/sched/mm.h>
void s390_reset_acc(struct mm_struct *mm)
{
if (!mm_is_protected(mm))
return;
/*
* we might be called during
* reset: we walk the pages and clear

2
arch/sh/kernel/idle.c
View File

@ -22,7 +22,7 @@ static void (*sh_idle)(void);
void default_idle(void)
{
set_bl_bit();
local_irq_enable();
raw_local_irq_enable();
/* Isn't this racy ? */
cpu_sleep();
clear_bl_bit();

4
arch/sparc/kernel/leon_pmc.c
View File

@ -50,7 +50,7 @@ static void pmc_leon_idle_fixup(void)
register unsigned int address = (unsigned int)leon3_irqctrl_regs;
/* Interrupts need to be enabled to not hang the CPU */
local_irq_enable();
raw_local_irq_enable();
__asm__ __volatile__ (
"wr %%g0, %%asr19\n"
@ -66,7 +66,7 @@ static void pmc_leon_idle_fixup(void)
static void pmc_leon_idle(void)
{
/* Interrupts need to be enabled to not hang the CPU */
local_irq_enable();
raw_local_irq_enable();
/* For systems without power-down, this will be no-op */
__asm__ __volatile__ ("wr %g0, %asr19\n\t");

2
arch/sparc/kernel/process_32.c
View File

@ -74,7 +74,7 @@ void arch_cpu_idle(void)
{
if (sparc_idle)
(*sparc_idle)();
local_irq_enable();
raw_local_irq_enable();
}
/* XXX cli/sti -> local_irq_xxx here, check this works once SMP is fixed. */

4
arch/sparc/kernel/process_64.c
View File

@ -62,11 +62,11 @@ void arch_cpu_idle(void)
{
if (tlb_type != hypervisor) {
touch_nmi_watchdog();
local_irq_enable();
raw_local_irq_enable();
} else {
unsigned long pstate;
local_irq_enable();
raw_local_irq_enable();
/* The sun4v sleeping code requires that we have PSTATE.IE cleared over
* the cpu sleep hypervisor call.

2
arch/um/kernel/process.c
View File

@ -217,7 +217,7 @@ void arch_cpu_idle(void)
{
cpu_tasks[current_thread_info()->cpu].pid = os_getpid();
um_idle_sleep();
local_irq_enable();
raw_local_irq_enable();
}
int __cant_sleep(void) {

1
arch/x86/include/asm/kvm_host.h
View File

@ -1656,6 +1656,7 @@ int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v);
int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu);
int kvm_cpu_has_extint(struct kvm_vcpu *v);
int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu);
int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event);

2
arch/x86/include/asm/mwait.h
View File

@ -88,8 +88,6 @@ static inline void __mwaitx(unsigned long eax, unsigned long ebx,
static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
{
trace_hardirqs_on();
mds_idle_clear_cpu_buffers();
/* "mwait %eax, %ecx;" */
asm volatile("sti; .byte 0x0f, 0x01, 0xc9;"

4
arch/x86/kernel/cpu/bugs.c
View File

@ -739,11 +739,13 @@ spectre_v2_user_select_mitigation(enum spectre_v2_mitigation_cmd v2_cmd)
if (boot_cpu_has(X86_FEATURE_IBPB)) {
setup_force_cpu_cap(X86_FEATURE_USE_IBPB);
spectre_v2_user_ibpb = mode;
switch (cmd) {
case SPECTRE_V2_USER_CMD_FORCE:
case SPECTRE_V2_USER_CMD_PRCTL_IBPB:
case SPECTRE_V2_USER_CMD_SECCOMP_IBPB:
static_branch_enable(&switch_mm_always_ibpb);
spectre_v2_user_ibpb = SPECTRE_V2_USER_STRICT;
break;
case SPECTRE_V2_USER_CMD_PRCTL:
case SPECTRE_V2_USER_CMD_AUTO:
@ -757,8 +759,6 @@ spectre_v2_user_select_mitigation(enum spectre_v2_mitigation_cmd v2_cmd)
pr_info("mitigation: Enabling %s Indirect Branch Prediction Barrier\n",
static_key_enabled(&switch_mm_always_ibpb) ?
"always-on" : "conditional");
spectre_v2_user_ibpb = mode;
}
/*

6
arch/x86/kernel/cpu/mce/core.c
View File

@ -1384,8 +1384,10 @@ noinstr void do_machine_check(struct pt_regs *regs)
* When there's any problem use only local no_way_out state.
*/
if (!lmce) {
if (mce_end(order) < 0)
no_way_out = worst >= MCE_PANIC_SEVERITY;
if (mce_end(order) < 0) {
if (!no_way_out)
no_way_out = worst >= MCE_PANIC_SEVERITY;
}
} else {
/*
* If there was a fatal machine check we should have

65
arch/x86/kernel/cpu/resctrl/rdtgroup.c
View File

@ -507,6 +507,24 @@ unlock:
return ret ?: nbytes;
}
/**
* rdtgroup_remove - the helper to remove resource group safely
* @rdtgrp: resource group to remove
*
* On resource group creation via a mkdir, an extra kernfs_node reference is
* taken to ensure that the rdtgroup structure remains accessible for the
* rdtgroup_kn_unlock() calls where it is removed.
*
* Drop the extra reference here, then free the rdtgroup structure.
*
* Return: void
*/
static void rdtgroup_remove(struct rdtgroup *rdtgrp)
{
kernfs_put(rdtgrp->kn);
kfree(rdtgrp);
}
struct task_move_callback {
struct callback_head work;
struct rdtgroup *rdtgrp;
@ -529,7 +547,7 @@ static void move_myself(struct callback_head *head)
(rdtgrp->flags & RDT_DELETED)) {
current->closid = 0;
current->rmid = 0;
kfree(rdtgrp);
rdtgroup_remove(rdtgrp);
}
if (unlikely(current->flags & PF_EXITING))
@ -1769,7 +1787,6 @@ static int rdtgroup_mkdir_info_resdir(struct rdt_resource *r, char *name,
if (IS_ERR(kn_subdir))
return PTR_ERR(kn_subdir);
kernfs_get(kn_subdir);
ret = rdtgroup_kn_set_ugid(kn_subdir);
if (ret)
return ret;
@ -1792,7 +1809,6 @@ static int rdtgroup_create_info_dir(struct kernfs_node *parent_kn)
kn_info = kernfs_create_dir(parent_kn, "info", parent_kn->mode, NULL);
if (IS_ERR(kn_info))
return PTR_ERR(kn_info);
kernfs_get(kn_info);
ret = rdtgroup_add_files(kn_info, RF_TOP_INFO);
if (ret)
@ -1813,12 +1829,6 @@ static int rdtgroup_create_info_dir(struct kernfs_node *parent_kn)
goto out_destroy;
}
/*
* This extra ref will be put in kernfs_remove() and guarantees
* that @rdtgrp->kn is always accessible.
*/
kernfs_get(kn_info);
ret = rdtgroup_kn_set_ugid(kn_info);
if (ret)
goto out_destroy;
@ -1847,12 +1857,6 @@ mongroup_create_dir(struct kernfs_node *parent_kn, struct rdtgroup *prgrp,
if (dest_kn)
*dest_kn = kn;
/*
* This extra ref will be put in kernfs_remove() and guarantees
* that @rdtgrp->kn is always accessible.
*/
kernfs_get(kn);
ret = rdtgroup_kn_set_ugid(kn);
if (ret)
goto out_destroy;
@ -2079,8 +2083,7 @@ void rdtgroup_kn_unlock(struct kernfs_node *kn)
rdtgrp->mode == RDT_MODE_PSEUDO_LOCKED)
rdtgroup_pseudo_lock_remove(rdtgrp);
kernfs_unbreak_active_protection(kn);
kernfs_put(rdtgrp->kn);
kfree(rdtgrp);
rdtgroup_remove(rdtgrp);
} else {
kernfs_unbreak_active_protection(kn);
}
@ -2139,13 +2142,11 @@ static int rdt_get_tree(struct fs_context *fc)
&kn_mongrp);
if (ret < 0)
goto out_info;
kernfs_get(kn_mongrp);
ret = mkdir_mondata_all(rdtgroup_default.kn,
&rdtgroup_default, &kn_mondata);
if (ret < 0)
goto out_mongrp;
kernfs_get(kn_mondata);
rdtgroup_default.mon.mon_data_kn = kn_mondata;
}
@ -2357,7 +2358,7 @@ static void free_all_child_rdtgrp(struct rdtgroup *rdtgrp)
if (atomic_read(&sentry->waitcount) != 0)
sentry->flags = RDT_DELETED;
else
kfree(sentry);
rdtgroup_remove(sentry);
}
}
@ -2399,7 +2400,7 @@ static void rmdir_all_sub(void)
if (atomic_read(&rdtgrp->waitcount) != 0)
rdtgrp->flags = RDT_DELETED;
else
kfree(rdtgrp);
rdtgroup_remove(rdtgrp);
}
/* Notify online CPUs to update per cpu storage and PQR_ASSOC MSR */
update_closid_rmid(cpu_online_mask, &rdtgroup_default);
@ -2499,11 +2500,6 @@ static int mkdir_mondata_subdir(struct kernfs_node *parent_kn,
if (IS_ERR(kn))
return PTR_ERR(kn);
/*
* This extra ref will be put in kernfs_remove() and guarantees
* that kn is always accessible.
*/
kernfs_get(kn);
ret = rdtgroup_kn_set_ugid(kn);
if (ret)
goto out_destroy;
@ -2838,8 +2834,8 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
/*
* kernfs_remove() will drop the reference count on "kn" which
* will free it. But we still need it to stick around for the
* rdtgroup_kn_unlock(kn} call below. Take one extra reference
* here, which will be dropped inside rdtgroup_kn_unlock().
* rdtgroup_kn_unlock(kn) call. Take one extra reference here,
* which will be dropped by kernfs_put() in rdtgroup_remove().
*/
kernfs_get(kn);
@ -2880,6 +2876,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
out_idfree:
free_rmid(rdtgrp->mon.rmid);
out_destroy:
kernfs_put(rdtgrp->kn);
kernfs_remove(rdtgrp->kn);
out_free_rgrp:
kfree(rdtgrp);
@ -2892,7 +2889,7 @@ static void mkdir_rdt_prepare_clean(struct rdtgroup *rgrp)
{
kernfs_remove(rgrp->kn);
free_rmid(rgrp->mon.rmid);
kfree(rgrp);
rdtgroup_remove(rgrp);
}
/*
@ -3049,11 +3046,6 @@ static int rdtgroup_rmdir_mon(struct kernfs_node *kn, struct rdtgroup *rdtgrp,
WARN_ON(list_empty(&prdtgrp->mon.crdtgrp_list));
list_del(&rdtgrp->mon.crdtgrp_list);
/*
* one extra hold on this, will drop when we kfree(rdtgrp)
* in rdtgroup_kn_unlock()
*/
kernfs_get(kn);
kernfs_remove(rdtgrp->kn);
return 0;
@ -3065,11 +3057,6 @@ static int rdtgroup_ctrl_remove(struct kernfs_node *kn,
rdtgrp->flags = RDT_DELETED;
list_del(&rdtgrp->rdtgroup_list);
/*
* one extra hold on this, will drop when we kfree(rdtgrp)
* in rdtgroup_kn_unlock()
*/
kernfs_get(kn);
kernfs_remove(rdtgrp->kn);
return 0;
}

12
arch/x86/kernel/process.c
View File

@ -685,7 +685,7 @@ void arch_cpu_idle(void)
*/
void __cpuidle default_idle(void)
{
safe_halt();
raw_safe_halt();
}
#if defined(CONFIG_APM_MODULE) || defined(CONFIG_HALTPOLL_CPUIDLE_MODULE)
EXPORT_SYMBOL(default_idle);
@ -736,6 +736,8 @@ void stop_this_cpu(void *dummy)
/*
* AMD Erratum 400 aware idle routine. We handle it the same way as C3 power
* states (local apic timer and TSC stop).
*
* XXX this function is completely buggered vs RCU and tracing.
*/
static void amd_e400_idle(void)
{
@ -757,9 +759,9 @@ static void amd_e400_idle(void)
* The switch back from broadcast mode needs to be called with
* interrupts disabled.
*/
local_irq_disable();
raw_local_irq_disable();
tick_broadcast_exit();
local_irq_enable();
raw_local_irq_enable();
}
/*
@ -801,9 +803,9 @@ static __cpuidle void mwait_idle(void)
if (!need_resched())
__sti_mwait(0, 0);
else
local_irq_enable();
raw_local_irq_enable();
} else {
local_irq_enable();
raw_local_irq_enable();
}
__current_clr_polling();
}

5
arch/x86/kernel/tboot.c
View File

@ -514,13 +514,10 @@ int tboot_force_iommu(void)
if (!tboot_enabled())
return 0;
if (no_iommu || swiotlb || dmar_disabled)
if (no_iommu || dmar_disabled)
pr_warn("Forcing Intel-IOMMU to enabled\n");
dmar_disabled = 0;
#ifdef CONFIG_SWIOTLB
swiotlb = 0;
#endif
no_iommu = 0;
return 1;

85
arch/x86/kvm/irq.c
View File

@ -40,29 +40,10 @@ static int pending_userspace_extint(struct kvm_vcpu *v)
* check if there is pending interrupt from
* non-APIC source without intack.
*/
static int kvm_cpu_has_extint(struct kvm_vcpu *v)
{
u8 accept = kvm_apic_accept_pic_intr(v);
if (accept) {
if (irqchip_split(v->kvm))
return pending_userspace_extint(v);
else
return v->kvm->arch.vpic->output;
} else
return 0;
}
/*
* check if there is injectable interrupt:
* when virtual interrupt delivery enabled,
* interrupt from apic will handled by hardware,
* we don't need to check it here.
*/
int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v)
int kvm_cpu_has_extint(struct kvm_vcpu *v)
{
/*
* FIXME: interrupt.injected represents an interrupt that it's
* FIXME: interrupt.injected represents an interrupt whose
* side-effects have already been applied (e.g. bit from IRR
* already moved to ISR). Therefore, it is incorrect to rely
* on interrupt.injected to know if there is a pending
@ -75,6 +56,23 @@ int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v)
if (!lapic_in_kernel(v))
return v->arch.interrupt.injected;
if (!kvm_apic_accept_pic_intr(v))
return 0;
if (irqchip_split(v->kvm))
return pending_userspace_extint(v);
else
return v->kvm->arch.vpic->output;
}
/*
* check if there is injectable interrupt:
* when virtual interrupt delivery enabled,
* interrupt from apic will handled by hardware,
* we don't need to check it here.
*/
int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v)
{
if (kvm_cpu_has_extint(v))
return 1;
@ -91,20 +89,6 @@ EXPORT_SYMBOL_GPL(kvm_cpu_has_injectable_intr);
*/
int kvm_cpu_has_interrupt(struct kvm_vcpu *v)
{
/*
* FIXME: interrupt.injected represents an interrupt that it's
* side-effects have already been applied (e.g. bit from IRR
* already moved to ISR). Therefore, it is incorrect to rely
* on interrupt.injected to know if there is a pending
* interrupt in the user-mode LAPIC.
* This leads to nVMX/nSVM not be able to distinguish
* if it should exit from L2 to L1 on EXTERNAL_INTERRUPT on
* pending interrupt or should re-inject an injected
* interrupt.
*/
if (!lapic_in_kernel(v))
return v->arch.interrupt.injected;
if (kvm_cpu_has_extint(v))
return 1;
@ -118,16 +102,21 @@ EXPORT_SYMBOL_GPL(kvm_cpu_has_interrupt);
*/
static int kvm_cpu_get_extint(struct kvm_vcpu *v)
{
if (kvm_cpu_has_extint(v)) {
if (irqchip_split(v->kvm)) {
int vector = v->arch.pending_external_vector;
v->arch.pending_external_vector = -1;
return vector;
} else
return kvm_pic_read_irq(v->kvm); /* PIC */
} else
if (!kvm_cpu_has_extint(v)) {
WARN_ON(!lapic_in_kernel(v));
return -1;
}
if (!lapic_in_kernel(v))
return v->arch.interrupt.nr;
if (irqchip_split(v->kvm)) {
int vector = v->arch.pending_external_vector;
v->arch.pending_external_vector = -1;
return vector;
} else
return kvm_pic_read_irq(v->kvm); /* PIC */
}
/*
@ -135,13 +124,7 @@ static int kvm_cpu_get_extint(struct kvm_vcpu *v)
*/
int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
{
int vector;
if (!lapic_in_kernel(v))
return v->arch.interrupt.nr;
vector = kvm_cpu_get_extint(v);
int vector = kvm_cpu_get_extint(v);
if (vector != -1)
return vector; /* PIC */

2
arch/x86/kvm/lapic.c
View File

@ -2465,7 +2465,7 @@ int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu)
struct kvm_lapic *apic = vcpu->arch.apic;
u32 ppr;
if (!kvm_apic_hw_enabled(apic))
if (!kvm_apic_present(vcpu))
return -1;
__apic_update_ppr(apic, &ppr);

2
arch/x86/kvm/mmu/mmu.c
View File

@ -3517,7 +3517,7 @@ static bool get_mmio_spte(struct kvm_vcpu *vcpu, u64 addr, u64 *sptep)
{
u64 sptes[PT64_ROOT_MAX_LEVEL];
struct rsvd_bits_validate *rsvd_check;
int root = vcpu->arch.mmu->root_level;
int root = vcpu->arch.mmu->shadow_root_level;
int leaf;
int level;
bool reserved = false;

2
arch/x86/kvm/svm/sev.c
View File

@ -642,8 +642,8 @@ static int __sev_dbg_decrypt(struct kvm *kvm, unsigned long src_paddr,
* Its safe to read more than we are asked, caller should ensure that
* destination has enough space.
*/
src_paddr = round_down(src_paddr, 16);
offset = src_paddr & 15;
src_paddr = round_down(src_paddr, 16);
sz = round_up(sz + offset, 16);
return __sev_issue_dbg_cmd(kvm, src_paddr, dst_paddr, sz, err, false);

4
arch/x86/kvm/svm/svm.c
View File

@ -1309,8 +1309,10 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
svm->avic_is_running = true;
svm->msrpm = svm_vcpu_alloc_msrpm();
if (!svm->msrpm)
if (!svm->msrpm) {
err = -ENOMEM;
goto error_free_vmcb_page;
}
svm_vcpu_init_msrpm(vcpu, svm->msrpm);

18
arch/x86/kvm/x86.c
View File

@ -4051,21 +4051,23 @@ static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu,
static int kvm_cpu_accept_dm_intr(struct kvm_vcpu *vcpu)
{
/*
* We can accept userspace's request for interrupt injection
* as long as we have a place to store the interrupt number.
* The actual injection will happen when the CPU is able to
* deliver the interrupt.
*/
if (kvm_cpu_has_extint(vcpu))
return false;
/* Acknowledging ExtINT does not happen if LINT0 is masked. */
return (!lapic_in_kernel(vcpu) ||
kvm_apic_accept_pic_intr(vcpu));
}
/*
* if userspace requested an interrupt window, check that the
* interrupt window is open.
*
* No need to exit to userspace if we already have an interrupt queued.
*/
static int kvm_vcpu_ready_for_interrupt_injection(struct kvm_vcpu *vcpu)
{
return kvm_arch_interrupt_allowed(vcpu) &&
!kvm_cpu_has_interrupt(vcpu) &&
!kvm_event_needs_reinjection(vcpu) &&
kvm_cpu_accept_dm_intr(vcpu);
}

7
block/keyslot-manager.c
View File

@ -103,6 +103,13 @@ int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots)
spin_lock_init(&ksm->idle_slots_lock);
slot_hashtable_size = roundup_pow_of_two(num_slots);
/*
* hash_ptr() assumes bits != 0, so ensure the hash table has at least 2
* buckets. This only makes a difference when there is only 1 keyslot.
*/
if (slot_hashtable_size < 2)
slot_hashtable_size = 2;
ksm->log_slot_ht_size = ilog2(slot_hashtable_size);
ksm->slot_hashtable = kvmalloc_array(slot_hashtable_size,
sizeof(ksm->slot_hashtable[0]),

8
drivers/acpi/arm64/iort.c
View File

@ -44,7 +44,7 @@ static DEFINE_SPINLOCK(iort_fwnode_lock);
* iort_set_fwnode() - Create iort_fwnode and use it to register
* iommu data in the iort_fwnode_list
*
* @node: IORT table node associated with the IOMMU
* @iort_node: IORT table node associated with the IOMMU
* @fwnode: fwnode associated with the IORT node
*
* Returns: 0 on success
@ -673,7 +673,8 @@ static int iort_dev_find_its_id(struct device *dev, u32 id,
/**
* iort_get_device_domain() - Find MSI domain related to a device
* @dev: The device.
* @req_id: Requester ID for the device.
* @id: Requester ID for the device.
* @bus_token: irq domain bus token.
*
* Returns: the MSI domain for this device, NULL otherwise
*/
@ -1136,7 +1137,7 @@ static int rc_dma_get_range(struct device *dev, u64 *size)
*
* @dev: device to configure
* @dma_addr: device DMA address result pointer
* @size: DMA range size result pointer
* @dma_size: DMA range size result pointer
*/
void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size)
{
@ -1526,6 +1527,7 @@ static __init const struct iort_dev_config *iort_get_dev_cfg(
/**
* iort_add_platform_device() - Allocate a platform device for IORT node
* @node: Pointer to device ACPI IORT node
* @ops: Pointer to IORT device config struct
*
* Returns: 0 on success, <0 failure
*/

29
drivers/bus/ti-sysc.c
View File

@ -227,6 +227,9 @@ static int sysc_wait_softreset(struct sysc *ddata)
u32 sysc_mask, syss_done, rstval;
int syss_offset, error = 0;
if (ddata->cap->regbits->srst_shift < 0)
return 0;
syss_offset = ddata->offsets[SYSC_SYSSTATUS];
sysc_mask = BIT(ddata->cap->regbits->srst_shift);
@ -970,9 +973,15 @@ static int sysc_enable_module(struct device *dev)
return error;
}
}
error = sysc_wait_softreset(ddata);
if (error)
dev_warn(ddata->dev, "OCP softreset timed out\n");
/*
* Some modules like i2c and hdq1w have unusable reset status unless
* the module reset quirk is enabled. Skip status check on enable.
*/
if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) {
error = sysc_wait_softreset(ddata);
if (error)
dev_warn(ddata->dev, "OCP softreset timed out\n");
}
if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET)
sysc_disable_opt_clocks(ddata);
@ -1373,17 +1382,17 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
SYSC_QUIRK_OPT_CLKS_NEEDED),
SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff,
SYSC_MODULE_QUIRK_HDQ1W),
SYSC_MODULE_QUIRK_HDQ1W | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x0000000a, 0xffffffff,
SYSC_MODULE_QUIRK_HDQ1W),
SYSC_MODULE_QUIRK_HDQ1W | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x20, 0x10, 0x00000036, 0x000000ff,
SYSC_MODULE_QUIRK_I2C),
SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x20, 0x10, 0x0000003c, 0x000000ff,
SYSC_MODULE_QUIRK_I2C),
SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x20, 0x10, 0x00000040, 0x000000ff,
SYSC_MODULE_QUIRK_I2C),
SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x10, 0x90, 0x5040000a, 0xfffff0f0,
SYSC_MODULE_QUIRK_I2C),
SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
SYSC_MODULE_QUIRK_SGX),
@ -2880,7 +2889,7 @@ static int sysc_check_active_timer(struct sysc *ddata)
if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) &&
(ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE))
return -EBUSY;
return -ENXIO;
return 0;
}

4
drivers/cpufreq/scmi-cpufreq.c
View File

@ -236,13 +236,15 @@ static int scmi_cpufreq_probe(struct scmi_device *sdev)
if (!handle || !handle->perf_ops)
return -ENODEV;
#ifdef CONFIG_COMMON_CLK
/* dummy clock provider as needed by OPP if clocks property is used */
if (of_find_property(dev->of_node, "#clock-cells", NULL))
devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, NULL);
#endif
ret = cpufreq_register_driver(&scmi_cpufreq_driver);
if (ret) {
dev_err(&sdev->dev, "%s: registering cpufreq failed, err: %d\n",
dev_err(dev, "%s: registering cpufreq failed, err: %d\n",
__func__, ret);
}

2
drivers/firmware/efi/Kconfig
View File

@ -270,7 +270,7 @@ config EFI_DEV_PATH_PARSER
config EFI_EARLYCON
def_bool y
depends on SERIAL_EARLYCON && !ARM && !IA64
depends on EFI && SERIAL_EARLYCON && !ARM && !IA64
select FONT_SUPPORT
select ARCH_USE_MEMREMAP_PROT

2
drivers/firmware/efi/efi.c
View File

@ -390,10 +390,10 @@ static int __init efisubsys_init(void)
if (efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE |
EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME)) {
efivar_ssdt_load();
error = generic_ops_register();
if (error)
goto err_put;
efivar_ssdt_load();
platform_device_register_simple("efivars", 0, NULL, 0);
}

65
drivers/firmware/xilinx/zynqmp.c
View File

@ -20,12 +20,28 @@
#include <linux/of_platform.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/hashtable.h>
#include <linux/firmware/xlnx-zynqmp.h>
#include "zynqmp-debug.h"
/* Max HashMap Order for PM API feature check (1<<7 = 128) */
#define PM_API_FEATURE_CHECK_MAX_ORDER 7
static bool feature_check_enabled;
static u32 zynqmp_pm_features[PM_API_MAX];
DEFINE_HASHTABLE(pm_api_features_map, PM_API_FEATURE_CHECK_MAX_ORDER);
/**
* struct pm_api_feature_data - PM API Feature data
* @pm_api_id: PM API Id, used as key to index into hashmap
* @feature_status: status of PM API feature: valid, invalid
* @hentry: hlist_node that hooks this entry into hashtable
*/
struct pm_api_feature_data {
u32 pm_api_id;
int feature_status;
struct hlist_node hentry;
};
static const struct mfd_cell firmware_devs[] = {
{
@ -142,29 +158,37 @@ static int zynqmp_pm_feature(u32 api_id)
int ret;
u32 ret_payload[PAYLOAD_ARG_CNT];
u64 smc_arg[2];
struct pm_api_feature_data *feature_data;
if (!feature_check_enabled)
return 0;
/* Return value if feature is already checked */
if (api_id > ARRAY_SIZE(zynqmp_pm_features))
return PM_FEATURE_INVALID;
/* Check for existing entry in hash table for given api */
hash_for_each_possible(pm_api_features_map, feature_data, hentry,
api_id) {
if (feature_data->pm_api_id == api_id)
return feature_data->feature_status;
}
if (zynqmp_pm_features[api_id] != PM_FEATURE_UNCHECKED)
return zynqmp_pm_features[api_id];
/* Add new entry if not present */
feature_data = kmalloc(sizeof(*feature_data), GFP_KERNEL);
if (!feature_data)
return -ENOMEM;
feature_data->pm_api_id = api_id;
smc_arg[0] = PM_SIP_SVC | PM_FEATURE_CHECK;
smc_arg[1] = api_id;
ret = do_fw_call(smc_arg[0], smc_arg[1], 0, ret_payload);
if (ret) {
zynqmp_pm_features[api_id] = PM_FEATURE_INVALID;
return PM_FEATURE_INVALID;
}
if (ret)
ret = -EOPNOTSUPP;
else
ret = ret_payload[1];
zynqmp_pm_features[api_id] = ret_payload[1];
feature_data->feature_status = ret;
hash_add(pm_api_features_map, &feature_data->hentry, api_id);
return zynqmp_pm_features[api_id];
return ret;
}
/**
@ -200,9 +224,12 @@ int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
* Make sure to stay in x0 register
*/
u64 smc_arg[4];
int ret;
if (zynqmp_pm_feature(pm_api_id) == PM_FEATURE_INVALID)
return -ENOTSUPP;
/* Check if feature is supported or not */
ret = zynqmp_pm_feature(pm_api_id);
if (ret < 0)
return ret;
smc_arg[0] = PM_SIP_SVC | pm_api_id;
smc_arg[1] = ((u64)arg1 << 32) | arg0;
@ -615,7 +642,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_tapdelay);
*/
int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type)
{
return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, IOCTL_SET_SD_TAPDELAY,
return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, IOCTL_SD_DLL_RESET,
type, 0, NULL);
}
EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset);
@ -1252,9 +1279,17 @@ static int zynqmp_firmware_probe(struct platform_device *pdev)
static int zynqmp_firmware_remove(struct platform_device *pdev)
{
struct pm_api_feature_data *feature_data;
int i;
mfd_remove_devices(&pdev->dev);
zynqmp_pm_api_debugfs_exit();
hash_for_each(pm_api_features_map, i, feature_data, hentry) {
hash_del(&feature_data->hentry);
kfree(feature_data);
}
return 0;
}

4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -4852,7 +4852,7 @@ int amdgpu_device_baco_enter(struct drm_device *dev)
if (!amdgpu_device_supports_baco(adev_to_drm(adev)))
return -ENOTSUPP;
if (ras && ras->supported)
if (ras && ras->supported && adev->nbio.funcs->enable_doorbell_interrupt)
adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
return amdgpu_dpm_baco_enter(adev);
@ -4871,7 +4871,7 @@ int amdgpu_device_baco_exit(struct drm_device *dev)
if (ret)
return ret;
if (ras && ras->supported)
if (ras && ras->supported && adev->nbio.funcs->enable_doorbell_interrupt)
adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
return 0;

4
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -69,10 +69,10 @@ static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev,
static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev,
unsigned int type,
uint64_t size)
uint64_t size_in_page)
{
return ttm_range_man_init(&adev->mman.bdev, type,
false, size >> PAGE_SHIFT);
false, size_in_page);
}
/**

1
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
View File

@ -67,6 +67,7 @@ struct amdgpu_uvd {
unsigned harvest_config;
/* store image width to adjust nb memory state */
unsigned decode_image_width;
uint32_t keyselect;
};
int amdgpu_uvd_sw_init(struct amdgpu_device *adev);

2
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
View File

@ -3105,6 +3105,8 @@ static const struct soc15_reg_golden golden_settings_gc_10_3[] =
SOC15_REG_GOLDEN_VALUE(GC, 0, mmDB_DEBUG3, 0xffffffff, 0x00000280),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmDB_DEBUG4, 0xffffffff, 0x00800000),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmDB_EXCEPTION_CONTROL, 0x7fff0f1f, 0x00b80000),
SOC15_REG_GOLDEN_VALUE(GC, 0 ,mmGCEA_SDP_TAG_RESERVE0, 0xffffffff, 0x10100100),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmGCEA_SDP_TAG_RESERVE1, 0xffffffff, 0x17000088),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmGCR_GENERAL_CNTL_Sienna_Cichlid, 0x1ff1ffff, 0x00000500),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmGE_PC_CNTL, 0x003fffff, 0x00280400),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmGL2A_ADDR_MATCH_MASK, 0xffffffff, 0xffffffcf),

20
drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
View File

@ -277,15 +277,8 @@ static void uvd_v3_1_mc_resume(struct amdgpu_device *adev)
*/
static int uvd_v3_1_fw_validate(struct amdgpu_device *adev)
{
void *ptr;
uint32_t ucode_len, i;
uint32_t keysel;
ptr = adev->uvd.inst[0].cpu_addr;
ptr += 192 + 16;
memcpy(&ucode_len, ptr, 4);
ptr += ucode_len;
memcpy(&keysel, ptr, 4);
int i;
uint32_t keysel = adev->uvd.keyselect;
WREG32(mmUVD_FW_START, keysel);
@ -550,6 +543,8 @@ static int uvd_v3_1_sw_init(void *handle)
struct amdgpu_ring *ring;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
void *ptr;
uint32_t ucode_len;
/* UVD TRAP */
r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 124, &adev->uvd.inst->irq);
@ -571,6 +566,13 @@ static int uvd_v3_1_sw_init(void *handle)
if (r)
return r;
/* Retrieval firmware validate key */
ptr = adev->uvd.inst[0].cpu_addr;
ptr += 192 + 16;
memcpy(&ucode_len, ptr, 4);
ptr += ucode_len;
memcpy(&adev->uvd.keyselect, ptr, 4);
r = amdgpu_uvd_entity_init(adev);
return r;

2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -1041,7 +1041,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
amdgpu_dm_init_color_mod();
#ifdef CONFIG_DRM_AMD_DC_HDCP
if (adev->asic_type >= CHIP_RAVEN) {
if (adev->dm.dc->caps.max_links > 0 && adev->asic_type >= CHIP_RAVEN) {
adev->dm.hdcp_workqueue = hdcp_create_workqueue(adev, &init_params.cp_psp, adev->dm.dc);
if (!adev->dm.hdcp_workqueue)

17
drivers/gpu/drm/ast/ast_mode.c
View File

@ -742,7 +742,6 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode)
case DRM_MODE_DPMS_SUSPEND:
if (ast->tx_chip_type == AST_TX_DP501)
ast_set_dp501_video_output(crtc->dev, 1);
ast_crtc_load_lut(ast, crtc);
break;
case DRM_MODE_DPMS_OFF:
if (ast->tx_chip_type == AST_TX_DP501)
@ -777,6 +776,21 @@ static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
return 0;
}
static void
ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state)
{
struct ast_private *ast = to_ast_private(crtc->dev);
struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc->state);
struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state);
/*
* The gamma LUT has to be reloaded after changing the primary
* plane's color format.
*/
if (old_ast_crtc_state->format != ast_crtc_state->format)
ast_crtc_load_lut(ast, crtc);
}
static void
ast_crtc_helper_atomic_enable(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
@ -830,6 +844,7 @@ ast_crtc_helper_atomic_disable(struct drm_crtc *crtc,
static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = {
.atomic_check = ast_crtc_helper_atomic_check,
.atomic_flush = ast_crtc_helper_atomic_flush,
.atomic_enable = ast_crtc_helper_atomic_enable,
.atomic_disable = ast_crtc_helper_atomic_disable,
};

3
drivers/gpu/drm/exynos/Kconfig
View File

@ -1,7 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
config DRM_EXYNOS
tristate "DRM Support for Samsung SoC Exynos Series"
depends on OF && DRM && (ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_MULTIPLATFORM || COMPILE_TEST)
depends on OF && DRM && COMMON_CLK
depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_MULTIPLATFORM || COMPILE_TEST
depends on MMU
select DRM_KMS_HELPER
select VIDEOMODE_HELPERS

143
drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
View File

@ -30,18 +30,21 @@
#include "i915_trace.h"
#include "intel_breadcrumbs.h"
#include "intel_context.h"
#include "intel_engine_pm.h"
#include "intel_gt_pm.h"
#include "intel_gt_requests.h"
static void irq_enable(struct intel_engine_cs *engine)
static bool irq_enable(struct intel_engine_cs *engine)
{
if (!engine->irq_enable)
return;
return false;
/* Caller disables interrupts */
spin_lock(&engine->gt->irq_lock);
engine->irq_enable(engine);
spin_unlock(&engine->gt->irq_lock);
return true;
}
static void irq_disable(struct intel_engine_cs *engine)
@ -57,12 +60,11 @@ static void irq_disable(struct intel_engine_cs *engine)
static void __intel_breadcrumbs_arm_irq(struct intel_breadcrumbs *b)
{
lockdep_assert_held(&b->irq_lock);
if (!b->irq_engine || b->irq_armed)
return;
if (!intel_gt_pm_get_if_awake(b->irq_engine->gt))
/*
* Since we are waiting on a request, the GPU should be busy
* and should have its own rpm reference.
*/
if (GEM_WARN_ON(!intel_gt_pm_get_if_awake(b->irq_engine->gt)))
return;
/*
@ -73,25 +75,24 @@ static void __intel_breadcrumbs_arm_irq(struct intel_breadcrumbs *b)
*/
WRITE_ONCE(b->irq_armed, true);
/*
* Since we are waiting on a request, the GPU should be busy
* and should have its own rpm reference. This is tracked
* by i915->gt.awake, we can forgo holding our own wakref
* for the interrupt as before i915->gt.awake is released (when
* the driver is idle) we disarm the breadcrumbs.
*/
/* Requests may have completed before we could enable the interrupt. */
if (!b->irq_enabled++ && irq_enable(b->irq_engine))
irq_work_queue(&b->irq_work);
}
if (!b->irq_enabled++)
irq_enable(b->irq_engine);
static void intel_breadcrumbs_arm_irq(struct intel_breadcrumbs *b)
{
if (!b->irq_engine)
return;
spin_lock(&b->irq_lock);
if (!b->irq_armed)
__intel_breadcrumbs_arm_irq(b);
spin_unlock(&b->irq_lock);
}
static void __intel_breadcrumbs_disarm_irq(struct intel_breadcrumbs *b)
{
lockdep_assert_held(&b->irq_lock);
if (!b->irq_engine || !b->irq_armed)
return;
GEM_BUG_ON(!b->irq_enabled);
if (!--b->irq_enabled)
irq_disable(b->irq_engine);
@ -105,8 +106,6 @@ static void add_signaling_context(struct intel_breadcrumbs *b,
{
intel_context_get(ce);
list_add_tail(&ce->signal_link, &b->signalers);
if (list_is_first(&ce->signal_link, &b->signalers))
__intel_breadcrumbs_arm_irq(b);
}
static void remove_signaling_context(struct intel_breadcrumbs *b,
@ -174,34 +173,65 @@ static void add_retire(struct intel_breadcrumbs *b, struct intel_timeline *tl)
intel_engine_add_retire(b->irq_engine, tl);
}
static bool __signal_request(struct i915_request *rq, struct list_head *signals)
static bool __signal_request(struct i915_request *rq)
{
clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags);
if (!__dma_fence_signal(&rq->fence)) {
i915_request_put(rq);
return false;
}
list_add_tail(&rq->signal_link, signals);
return true;
}
static struct llist_node *
slist_add(struct llist_node *node, struct llist_node *head)
{
node->next = head;
return node;
}
static void signal_irq_work(struct irq_work *work)
{
struct intel_breadcrumbs *b = container_of(work, typeof(*b), irq_work);
const ktime_t timestamp = ktime_get();
struct llist_node *signal, *sn;
struct intel_context *ce, *cn;
struct list_head *pos, *next;
LIST_HEAD(signal);
signal = NULL;
if (unlikely(!llist_empty(&b->signaled_requests)))
signal = llist_del_all(&b->signaled_requests);
spin_lock(&b->irq_lock);
if (list_empty(&b->signalers))
/*
* Keep the irq armed until the interrupt after all listeners are gone.
*
* Enabling/disabling the interrupt is rather costly, roughly a couple
* of hundred microseconds. If we are proactive and enable/disable
* the interrupt around every request that wants a breadcrumb, we
* quickly drown in the extra orders of magnitude of latency imposed
* on request submission.
*
* So we try to be lazy, and keep the interrupts enabled until no
* more listeners appear within a breadcrumb interrupt interval (that
* is until a request completes that no one cares about). The
* observation is that listeners come in batches, and will often
* listen to a bunch of requests in succession. Though note on icl+,
* interrupts are always enabled due to concerns with rc6 being
* dysfunctional with per-engine interrupt masking.
*
* We also try to avoid raising too many interrupts, as they may
* be generated by userspace batches and it is unfortunately rather
* too easy to drown the CPU under a flood of GPU interrupts. Thus
* whenever no one appears to be listening, we turn off the interrupts.
* Fewer interrupts should conserve power -- at the very least, fewer
* interrupt draw less ire from other users of the system and tools
* like powertop.
*/
if (!signal && b->irq_armed && list_empty(&b->signalers))
__intel_breadcrumbs_disarm_irq(b);
list_splice_init(&b->signaled_requests, &signal);
list_for_each_entry_safe(ce, cn, &b->signalers, signal_link) {
GEM_BUG_ON(list_empty(&ce->signals));
@ -218,7 +248,10 @@ static void signal_irq_work(struct irq_work *work)
* spinlock as the callback chain may end up adding
* more signalers to the same context or engine.
*/
__signal_request(rq, &signal);
clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags);
if (__signal_request(rq))
/* We own signal_node now, xfer to local list */
signal = slist_add(&rq->signal_node, signal);
}
/*
@ -238,9 +271,9 @@ static void signal_irq_work(struct irq_work *work)
spin_unlock(&b->irq_lock);
list_for_each_safe(pos, next, &signal) {
llist_for_each_safe(signal, sn, signal) {
struct i915_request *rq =
list_entry(pos, typeof(*rq), signal_link);
llist_entry(signal, typeof(*rq), signal_node);
struct list_head cb_list;
spin_lock(&rq->lock);
@ -251,6 +284,9 @@ static void signal_irq_work(struct irq_work *work)
i915_request_put(rq);
}
if (!READ_ONCE(b->irq_armed) && !list_empty(&b->signalers))
intel_breadcrumbs_arm_irq(b);
}
struct intel_breadcrumbs *
@ -264,7 +300,7 @@ intel_breadcrumbs_create(struct intel_engine_cs *irq_engine)
spin_lock_init(&b->irq_lock);
INIT_LIST_HEAD(&b->signalers);
INIT_LIST_HEAD(&b->signaled_requests);
init_llist_head(&b->signaled_requests);
init_irq_work(&b->irq_work, signal_irq_work);
@ -292,21 +328,22 @@ void intel_breadcrumbs_reset(struct intel_breadcrumbs *b)
void intel_breadcrumbs_park(struct intel_breadcrumbs *b)
{
unsigned long flags;
if (!READ_ONCE(b->irq_armed))
return;
spin_lock_irqsave(&b->irq_lock, flags);
__intel_breadcrumbs_disarm_irq(b);
spin_unlock_irqrestore(&b->irq_lock, flags);
if (!list_empty(&b->signalers))
irq_work_queue(&b->irq_work);
/* Kick the work once more to drain the signalers */
irq_work_sync(&b->irq_work);
while (unlikely(READ_ONCE(b->irq_armed))) {
local_irq_disable();
signal_irq_work(&b->irq_work);
local_irq_enable();
cond_resched();
}
GEM_BUG_ON(!list_empty(&b->signalers));
}
void intel_breadcrumbs_free(struct intel_breadcrumbs *b)
{
irq_work_sync(&b->irq_work);
GEM_BUG_ON(!list_empty(&b->signalers));
GEM_BUG_ON(b->irq_armed);
kfree(b);
}
@ -327,7 +364,8 @@ static void insert_breadcrumb(struct i915_request *rq,
* its signal completion.
*/
if (__request_completed(rq)) {
if (__signal_request(rq, &b->signaled_requests))
if (__signal_request(rq) &&
llist_add(&rq->signal_node, &b->signaled_requests))
irq_work_queue(&b->irq_work);
return;
}
@ -362,9 +400,12 @@ static void insert_breadcrumb(struct i915_request *rq,
GEM_BUG_ON(!check_signal_order(ce, rq));
set_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags);
/* Check after attaching to irq, interrupt may have already fired. */
if (__request_completed(rq))
irq_work_queue(&b->irq_work);
/*
* Defer enabling the interrupt to after HW submission and recheck
* the request as it may have completed and raised the interrupt as
* we were attaching it into the lists.
*/
irq_work_queue(&b->irq_work);
}
bool i915_request_enable_breadcrumb(struct i915_request *rq)

2
drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h
View File

@ -35,7 +35,7 @@ struct intel_breadcrumbs {
struct intel_engine_cs *irq_engine;
struct list_head signalers;
struct list_head signaled_requests;
struct llist_head signaled_requests;
struct irq_work irq_work; /* for use from inside irq_lock */

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