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authorJames Morse <james.morse@arm.com>2017-11-06 18:44:26 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-11-07 12:13:33 +0100
commit18b4b276b490a8b9f86c512de8a6054c27bb87c2 (patch)
tree1566874e5505eedb8fe75fb4341233e312377182 /arch/arm64/mm
parent520e18a5080d2c444a03280d99c8a35cb667d321 (diff)
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')
-rw-r--r--arch/arm64/mm/mmu.c4
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)
{