diff options
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/acpi.h | 12 | ||||
| -rw-r--r-- | arch/arm64/include/asm/fixmap.h | 7 | ||||
| -rw-r--r-- | arch/arm64/mm/mmu.c | 4 |
3 files changed, 11 insertions, 12 deletions
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 59cca1d6ec54..32f465a80e4e 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -126,18 +126,6 @@ static inline const char *acpi_get_enable_method(int cpu) */ #define acpi_disable_cmcff 1 pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr); - -/* - * Despite its name, this function must still broadcast the TLB - * invalidation in order to ensure other CPUs don't end up with junk - * entries as a result of speculation. Unusually, its also called in - * IRQ context (ghes_iounmap_irq) so if we ever need to use IPIs for - * TLB broadcasting, then we're in trouble here. - */ -static inline void arch_apei_flush_tlb_one(unsigned long addr) -{ - flush_tlb_kernel_range(addr, addr + PAGE_SIZE); -} #endif /* CONFIG_ACPI_APEI */ #ifdef CONFIG_ACPI_NUMA diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h index caf86be815ba..4052ec39e8db 100644 --- a/arch/arm64/include/asm/fixmap.h +++ b/arch/arm64/include/asm/fixmap.h @@ -51,6 +51,13 @@ enum fixed_addresses { FIX_EARLYCON_MEM_BASE, FIX_TEXT_POKE0, + +#ifdef CONFIG_ACPI_APEI_GHES + /* Used for GHES mapping from assorted contexts */ + FIX_APEI_GHES_IRQ, + FIX_APEI_GHES_NMI, +#endif /* CONFIG_ACPI_APEI_GHES */ + __end_of_permanent_fixed_addresses, /* diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index f1eb15e0e864..267d2b79d52d 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -778,6 +778,10 @@ void __init early_fixmap_init(void) } } +/* + * Unusually, this is also called in IRQ context (ghes_iounmap_irq) so if we + * ever need to use IPIs for TLB broadcasting, then we're in trouble here. + */ void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags) { |
