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arm64 fixes/clean-up:

Browse Source 
- ACPI fix when checking the validity of the GICC MADT subtable
 - handle debug exceptions in the el*_inv exception entries
 - remove pointless register assignment in two compat syscall wrappers
 - unnecessary include path
 - defconfig update
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes and clean-up from Catalin Marinas:
 - ACPI fix when checking the validity of the GICC MADT subtable
 - handle debug exceptions in the el*_inv exception entries
 - remove pointless register assignment in two compat syscall wrappers
 - unnecessary include path
 - defconfig update

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: entry32: remove pointless register assignment
  arm64: entry: handle debug exceptions in el*_inv
  arm64: Keep the ARM64 Kconfig selects sorted
  ACPI / ARM64 : use the new BAD_MADT_GICC_ENTRY macro
  ACPI / ARM64: add BAD_MADT_GICC_ENTRY() macro
  arm64: defconfig: Add Ceva ahci to the defconfig
  arm64: remove another unnecessary libfdt include path
This commit is contained in:
Linus Torvalds 2015-07-10 12:49:56 -07:00
commit 1604f8719a
8 changed files with 14 additions and 9 deletions
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2
arch/arm64/Kconfig
View File

@ -23,9 +23,9 @@ config ARM64
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
select COMMON_CLK
select EDAC_SUPPORT
select CPU_PM if (SUSPEND || CPU_IDLE)
select DCACHE_WORD_ACCESS
select EDAC_SUPPORT
select GENERIC_ALLOCATOR
select GENERIC_CLOCKEVENTS
select GENERIC_CLOCKEVENTS_BROADCAST if SMP

1
arch/arm64/configs/defconfig
View File

@ -83,6 +83,7 @@ CONFIG_BLK_DEV_SD=y
CONFIG_ATA=y
CONFIG_SATA_AHCI=y
CONFIG_SATA_AHCI_PLATFORM=y
CONFIG_AHCI_CEVA=y
CONFIG_AHCI_XGENE=y
CONFIG_PATA_PLATFORM=y
CONFIG_PATA_OF_PLATFORM=y

8
arch/arm64/include/asm/acpi.h
View File

@ -19,6 +19,14 @@
#include <asm/psci.h>
#include <asm/smp_plat.h>
/* Macros for consistency checks of the GICC subtable of MADT */
#define ACPI_MADT_GICC_LENGTH \
(acpi_gbl_FADT.header.revision < 6 ? 76 : 80)
#define BAD_MADT_GICC_ENTRY(entry, end) \
(!(entry) || (unsigned long)(entry) + sizeof(*(entry)) > (end) || \
(entry)->header.length != ACPI_MADT_GICC_LENGTH)
/* Basic configuration for ACPI */
#ifdef CONFIG_ACPI
/* ACPI table mapping after acpi_gbl_permanent_mmap is set */

4
arch/arm64/kernel/entry.S
View File

@ -352,8 +352,8 @@ el1_inv:
// TODO: add support for undefined instructions in kernel mode
enable_dbg
mov x0, sp
mov x2, x1
mov x1, #BAD_SYNC
mrs x2, esr_el1
b bad_mode
ENDPROC(el1_sync)
@ -553,7 +553,7 @@ el0_inv:
ct_user_exit
mov x0, sp
mov x1, #BAD_SYNC
mrs x2, esr_el1
mov x2, x25
bl bad_mode
b ret_to_user
ENDPROC(el0_sync)

2
arch/arm64/kernel/entry32.S
View File

@ -32,13 +32,11 @@
ENTRY(compat_sys_sigreturn_wrapper)
mov x0, sp
mov x27, #0 // prevent syscall restart handling (why)
b compat_sys_sigreturn
ENDPROC(compat_sys_sigreturn_wrapper)
ENTRY(compat_sys_rt_sigreturn_wrapper)
mov x0, sp
mov x27, #0 // prevent syscall restart handling (why)
b compat_sys_rt_sigreturn
ENDPROC(compat_sys_rt_sigreturn_wrapper)

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

@ -438,7 +438,7 @@ acpi_parse_gic_cpu_interface(struct acpi_subtable_header *header,
struct acpi_madt_generic_interrupt *processor;
processor = (struct acpi_madt_generic_interrupt *)header;
if (BAD_MADT_ENTRY(processor, end))
if (BAD_MADT_GICC_ENTRY(processor, end))
return -EINVAL;
acpi_table_print_madt_entry(header);

2
arch/arm64/mm/Makefile
View File

@ -4,5 +4,3 @@ obj-y := dma-mapping.o extable.o fault.o init.o \
context.o proc.o pageattr.o
obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
obj-$(CONFIG_ARM64_PTDUMP) += dump.o
CFLAGS_mmu.o := -I$(srctree)/scripts/dtc/libfdt/

2
drivers/irqchip/irq-gic.c
View File

@ -1055,7 +1055,7 @@ gic_acpi_parse_madt_cpu(struct acpi_subtable_header *header,
processor = (struct acpi_madt_generic_interrupt *)header;
if (BAD_MADT_ENTRY(processor, end))
if (BAD_MADT_GICC_ENTRY(processor, end))
return -EINVAL;
/*