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| author | James Morse <james.morse@arm.com> | 2017-11-06 21:44:26 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-11-07 14:13:33 +0300 |
| commit | 18b4b276b490a8b9f86c512de8a6054c27bb87c2 (patch) | |
| tree | 1566874e5505eedb8fe75fb4341233e312377182 /arch/arm64/mm/mmu.c | |
| parent | 520e18a5080d2c444a03280d99c8a35cb667d321 (diff) | |
| download | linux-18b4b276b490a8b9f86c512de8a6054c27bb87c2.tar.xz | |
arm64: mm: Remove arch_apei_flush_tlb_one()
Nothing calls arch_apei_flush_tlb_one() anymore, instead relying on
__set_fixmap() to do the invalidation. Remove it.
Move the IPI-considered-harmful comment to __set_fixmap().
Signed-off-by: James Morse <james.morse@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Diffstat (limited to 'arch/arm64/mm/mmu.c')
| -rw-r--r-- | arch/arm64/mm/mmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) { |