korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-30 07:34:12 +08:00
Code Issues Packages Projects Releases Wiki Activity
30c400886b
linux/arch/powerpc/kernel
History
Leonardo Bras fc5590fd56 powerpc/kernel/iommu: Use largepool as a last resort when !largealloc 
As of today, doing iommu_range_alloc() only for !largealloc (npages <= 15)
will only be able to use 3/4 of the available pages, given pages on
largepool  not being available for !largealloc.

This could mean some drivers not being able to fully use all the available
pages for the DMA window.

Add pages on largepool as a last resort for !largealloc, making all pages
of the DMA window available.

Signed-off-by: Leonardo Bras <leobras.c@gmail.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210318174414.684630-2-leobras.c@gmail.com
2021-04-23 12:54:58 +10:00
..
ptrace powerpc: remove partial register save logic 2021-04-14 23:04:44 +10:00
syscalls powerpc/syscalls: switch to generic syscallhdr.sh 2021-04-14 23:04:16 +10:00
trace powerpc: Rename probe_kernel_read_inst() 2021-04-21 22:52:33 +10:00
vdso32 powerpc/vdso: Add support for time namespaces 2021-04-14 23:04:44 +10:00
vdso64 powerpc/vdso: Add support for time namespaces 2021-04-14 23:04:44 +10:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
align.c powerpc: Rename probe_kernel_read_inst() 2021-04-21 22:52:33 +10:00
asm-offsets.c powerpc/64e/interrupt: use new interrupt return 2021-04-14 23:04:20 +10:00
audit.c
btext.c treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
cacheinfo.c powerpc/cacheinfo: Print correct cache-sibling map/list for L2 cache 2020-12-11 00:10:25 +11:00
cacheinfo.h
compat_audit.c
cpu_setup_6xx.S powerpc/32: Blacklist functions running with MMU disabled for kprobe 2020-06-02 20:59:11 +10:00
cpu_setup_44x.S
cpu_setup_fsl_booke.S powerpc: Retire e200 core (mpc555x processor) 2020-12-05 21:49:18 +11:00
cpu_setup_pa6t.S
cpu_setup_power.c powerpc/perf: MMCR0 control for PMU registers under PMCC=00 2020-12-04 01:01:29 +11:00
cpu_setup_ppc970.S
cputable.c arch: powerpc: Stop building and using oprofile 2021-01-29 10:05:51 +05:30
crash_dump.c powerpc: Add prefixed instructions to instruction data type 2020-05-19 00:10:39 +10:00
dawr.c powerpc/watchpoint: Guest support for 2nd DAWR hcall 2020-07-26 23:34:19 +10:00
dbell.c powerpc: handle irq_enter/irq_exit in interrupt handler wrappers 2021-02-09 00:10:49 +11:00
dma-iommu.c powerpc/dma: Fallback to dma_ops when persistent memory present 2020-11-27 10:33:42 +01:00
dma-mask.c
dma-swiotlb.c
dt_cpu_ftrs.c arch: powerpc: Stop building and using oprofile 2021-01-29 10:05:51 +05:30
early_32.c powerpc/fsl_booke/32: implement KASLR infrastructure 2019-11-13 19:27:40 +11:00
eeh_cache.c powerpc/eeh_cache: Fix a possible debugfs deadlock 2020-11-02 12:54:20 +11:00
eeh_driver.c pci-v5.9-changes 2020-08-07 18:48:15 -07:00
eeh_event.c
eeh_pe.c powerpc/eeh: Delete eeh_pe->config_addr 2020-10-07 22:34:47 +11:00
eeh_sysfs.c powerpc/eeh: Pass eeh_dev to eeh_ops->resume_notify() 2020-07-26 23:34:20 +10:00
eeh.c powerpc/eeh: remove unneeded semicolon 2021-04-23 01:38:04 +10:00
entry_32.S powerpc/32: Manage KUAP in C 2021-03-29 13:22:11 +11:00
entry_64.S powerpc/64e/interrupt: reconcile irq soft-mask state in C 2021-04-14 23:04:43 +10:00
epapr_hcalls.S
epapr_paravirt.c powerpc: Use a datatype for instructions 2020-05-19 00:10:37 +10:00
exceptions-64e.S powerpc/64e/interrupt: handle bad_page_fault in C 2021-04-14 23:04:43 +10:00
exceptions-64s.S Merge branch 'topic/ppc-kvm' into next 2021-04-18 23:55:12 +10:00
fadump.c powerpc/fadump: Fix sparse warnings 2021-04-22 20:59:04 +10:00
firmware.c powerpc: Reintroduce is_kvm_guest() as a fast-path check 2020-12-04 01:01:22 +11:00
fpu.S powerpc/32: Always enable data translation in exception prolog 2021-03-29 13:22:05 +11:00
fsl_booke_entry_mapping.S powerpc/fsl_booke/32: implement KASLR infrastructure 2019-11-13 19:27:40 +11:00
head_8xx.S powerpc/8xx: Enhance readability of trap types 2021-04-21 22:52:31 +10:00
head_32.h powerpc/32s: Move KUEP locking/unlocking in C 2021-03-29 13:22:10 +11:00
head_40x.S powerpc/32: Refactor saving of volatile registers in exception prologs 2021-03-29 13:22:10 +11:00
head_44x.S powerpc/32: Remove the xfer parameter in EXCEPTION() macro 2021-03-29 13:22:09 +11:00
head_64.S powerpc/64s: Remove MSR[ISF] bit 2020-12-09 23:48:14 +11:00
head_book3s_32.S powerpc/32s: Enhance readability of trap types 2021-04-21 22:52:31 +10:00
head_booke.h powerpc/32s: Move KUEP locking/unlocking in C 2021-03-29 13:22:10 +11:00
head_fsl_booke.S powerpc/64e: Trivial spelling fixes throughout head_fsl_booke.S 2021-03-29 13:22:12 +11:00
hw_breakpoint_constraints.c powerpc/uaccess: Remove __get/put_user_inatomic() 2021-04-03 21:21:41 +11:00
hw_breakpoint.c powerpc/watchpoint: Workaround P10 DD1 issue with VSX-32 byte instructions 2020-12-11 00:09:10 +11:00
idle_6xx.S powerpc/32: Return directly from power_save_ppc32_restore() 2021-03-29 13:22:10 +11:00
idle_book3e.S
idle_book3s.S powerpc/64s: power4 nap fixup in C 2021-04-08 21:17:45 +10:00
idle_e500.S powerpc/32: Return directly from power_save_ppc32_restore() 2021-03-29 13:22:10 +11:00
idle.c sched/idle: Fix arch_cpu_idle() vs tracing 2020-11-24 16:47:35 +01:00
ima_arch.c powerpc/ima: Fix secure boot rules in ima arch policy 2020-05-07 17:25:54 +10:00
interrupt.c powerpc/traps: Enhance readability for trap types 2021-04-17 22:20:19 +10:00
io-workarounds.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
io.c
iomap.c powerpc: inline iomap accessors 2020-12-04 01:01:09 +11:00
iommu.c powerpc/kernel/iommu: Use largepool as a last resort when !largealloc 2021-04-23 12:54:58 +10:00
irq.c powerpc/irq: Enhance readability of trap types 2021-04-21 22:52:32 +10:00
isa-bridge.c powerpc: remove __ioremap_at and __iounmap_at 2020-06-02 10:59:10 -07:00
jump_label.c powerpc: Switch to relative jump labels 2021-04-03 21:22:21 +11:00
kgdb.c powerpc/kernel: Trivial typo fix in kgdb.c 2021-03-29 13:22:15 +11:00
kprobes-ftrace.c ftrace: Have the callbacks receive a struct ftrace_regs instead of pt_regs 2020-11-13 12:14:55 -05:00
kprobes.c powerpc: kprobes: Use generic kretprobe trampoline handler 2020-09-08 11:52:34 +02:00
kvm_emul.S
kvm.c
l2cr_6xx.S powerpc: Drop SYNC_601() ISYNC_601() and SYNC() 2020-10-08 21:17:13 +11:00
legacy_serial.c powerpc/legacy_serial: Use early_ioremap() 2021-04-22 20:59:15 +10:00
Makefile powerpc updates for 5.12 2021-02-22 14:34:00 -08:00
mce_power.c powerpc/64s/pseries: Add ERAT specific machine check handler 2020-12-04 01:01:23 +11:00
mce.c powerpc/mce: save ignore_event flag unconditionally for UE 2021-04-21 22:52:32 +10:00
misc_32.S powerpc/irq: Inline call_do_irq() and call_do_softirq() 2021-03-29 13:22:17 +11:00
misc_64.S powerpc/irq: Inline call_do_irq() and call_do_softirq() 2021-03-29 13:22:17 +11:00
misc.S powerpc/32: Blacklist functions running with MMU disabled for kprobe 2020-06-02 20:59:11 +10:00
module_32.c powerpc: module_[32|64].c: replace swap function with built-in one 2020-05-11 23:15:14 +10:00
module_64.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
module.c powerpc/modules: Load modules closer to kernel text 2021-04-14 23:04:13 +10:00
msi.c
note.S
nvram_64.c powerpc updates for 5.8 2020-06-05 12:39:30 -07:00
of_platform.c powerpc/eeh: Remove eeh_dev_phb_init_dynamic() 2020-07-26 23:34:19 +10:00
optprobes_head.S powerpc: Enable OPTPROBES on PPC32 2021-04-21 22:52:32 +10:00
optprobes.c powerpc: Enable OPTPROBES on PPC32 2021-04-21 22:52:32 +10:00
paca.c powerpc: Avoid broken GCC __attribute__((optimize)) 2020-11-19 14:50:14 +11:00
pci_32.c
pci_64.c powerpc updates for 5.8 2020-06-05 12:39:30 -07:00
pci_dn.c powerpc/pci: Move PHB discovery for PCI_DN using platforms 2021-02-09 00:01:05 +11:00
pci_of_scan.c powerpc/pci: Remove pcibios_setup_bus_devices() 2020-01-06 16:25:29 +11:00
pci-common.c powerpc/pci: Add ppc_md.discover_phbs() 2021-02-03 09:46:36 +11:00
pci-hotplug.c powerpc/eeh: Release EEH device state synchronously 2020-05-18 21:58:44 +10:00
pmc.c
ppc32.h
ppc_save_regs.S powerpc: Improve ppc_save_regs() 2020-04-04 21:40:57 +11:00
proc_powerpc.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
process.c powerpc/traps: Enhance readability for trap types 2021-04-17 22:20:19 +10:00
prom_init_check.sh powerpc/prom_init: Undo relocation before entering secure mode 2019-10-29 15:12:17 +11:00
prom_init.c powerpc: remove unneeded semicolon 2021-03-24 14:09:29 +11:00
prom_parse.c
prom.c powerpc/smp: Cache CPU to chip lookup 2021-04-17 10:40:51 +10:00
reloc_32.S
reloc_64.S
rtas_flash.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
rtas_pci.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
rtas-proc.c powerpc/rtas: rename RTAS_RMOBUF_MAX to RTAS_USER_REGION_SIZE 2021-04-14 23:04:16 +10:00
rtas-rtc.c
rtas.c powerpc/rtas: rename RTAS_RMOBUF_MAX to RTAS_USER_REGION_SIZE 2021-04-14 23:04:16 +10:00
rtasd.c powerpc/rtasd: simplify handle_rtas_event(), emit message on events 2020-07-16 13:12:38 +10:00
secure_boot.c powerpc/pseries: Detect secure and trusted boot state of the system. 2020-07-16 14:49:53 +10:00
security.c powerpc/security: Make symbol 'stf_barrier' static 2021-04-14 23:04:13 +10:00
secvar-ops.c powerpc/powernv: Add OPAL API interface to access secure variable 2019-11-13 00:33:22 +11:00
secvar-sysfs.c powerpc: expose secure variables to userspace via sysfs 2019-11-13 00:33:22 +11:00
setup_32.c powerpc/32: Statically initialise first emergency context 2021-03-29 13:22:06 +11:00
setup_64.c powerpc/powernv: Enable HAIL (HV AIL) for ISA v3.1 processors 2021-04-18 23:19:29 +10:00
setup-common.c powerpc: Fix section mismatch warning in smp_setup_pacas() 2021-03-29 13:22:14 +11:00
setup.h powerpc: remove unneeded semicolons 2021-02-09 00:10:50 +11:00
signal_32.c powerpc: remove partial register save logic 2021-04-14 23:04:44 +10:00
signal_64.c powerpc: remove partial register save logic 2021-04-14 23:04:44 +10:00
signal.c powerpc/64: context tracking remove _TIF_NOHZ 2021-02-09 00:02:12 +11:00
signal.h powerpc/signal32: Convert do_setcontext[_tm]() to user access block 2021-04-03 21:22:19 +11:00
smp-tbsync.c
smp.c powerpc/smp: Set numa node before updating mask 2021-04-17 22:46:31 +10:00
stacktrace.c powerpc: Fix arch_stack_walk() to have running function as first entry 2021-03-29 13:22:16 +11:00
suspend.c
swsusp_32.S powerpc/32: Blacklist functions running with MMU disabled for kprobe 2020-06-02 20:59:11 +10:00
swsusp_64.c
swsusp_asm64.S
swsusp_booke.S
swsusp.c
sys_ppc32.c powerpc/compat_sys: swap hi/lo parts of 64-bit syscall args in LE mode 2021-02-11 23:35:07 +11:00
syscalls.c powerpc/syscalls: Use sys_old_select() in ppc_select() 2021-03-26 23:19:42 +11:00
sysfs.c powerpc/sysfs: Remove unused 'err' variable in sysfs_create_dscr_default() 2020-09-18 20:05:24 +10:00
systbl_chk.sh
systbl.S powerpc/syscalls: switch to generic syscalltbl.sh 2021-04-14 23:04:16 +10:00
tau_6xx.c powerpc: handle irq_enter/irq_exit in interrupt handler wrappers 2021-02-09 00:10:49 +11:00
time.c powerpc: handle irq_enter/irq_exit in interrupt handler wrappers 2021-02-09 00:10:49 +11:00
tm.S powerpc/tm: Save and restore AMR on treclaim and trechkpt 2020-10-06 23:22:25 +11:00
traps.c powerpc/traps: Enhance readability for trap types 2021-04-17 22:20:19 +10:00
ucall.S
udbg_16550.c
udbg.c powerpc/udbg: Make it safe to call udbg_printf() always 2019-10-11 19:33:25 +11:00
uprobes.c powerpc/uprobes: Validation for prefixed instruction 2021-03-29 12:52:24 +11:00
vdso32_wrapper.S powerpc/vdso: fix unnecessary rebuilds of vgettimeofday.o 2021-01-30 22:23:42 +11:00
vdso64_wrapper.S powerpc/vdso: fix unnecessary rebuilds of vgettimeofday.o 2021-01-30 22:23:42 +11:00
vdso.c powerpc/vdso: Add support for time namespaces 2021-04-14 23:04:44 +10:00
vecemu.c powerpc: Define and use get_user_instr() et. al. 2020-05-19 00:10:37 +10:00
vector.S powerpc/32: Always enable data translation in exception prolog 2021-03-29 13:22:05 +11:00
vmlinux.lds.S powerpc/64s: fix scv entry fallback flush vs interrupt 2021-01-20 15:58:19 +11:00
watchdog.c powerpc: move NMI entry/exit code into wrapper 2021-02-09 00:10:50 +11:00