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authorAndy Lutomirski <luto@kernel.org>2017-06-29 08:53:18 -0700
committerIngo Molnar <mingo@kernel.org>2017-07-05 10:52:57 +0200
commit43858b4f25cf0adc5c2ca9cf5ce5fdf2532941e5 (patch)
treefebc629e329d6918ac4acd3915aa8c2681d8b078 /arch/x86/include/asm/acpi.h
parent94b1b03b519b81c494900cb112aa00ed205cc2d9 (diff)
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x86/mm: Stop calling leave_mm() in idle code
Now that lazy TLB suppresses all flush IPIs (as opposed to all but the first), there's no need to leave_mm() when going idle. This means we can get rid of the rcuidle hack in switch_mm_irqs_off() and we can unexport leave_mm(). This also removes acpi_unlazy_tlb() from the x86 and ia64 headers, since it has no callers any more. Signed-off-by: Andy Lutomirski <luto@kernel.org> Reviewed-by: Nadav Amit <nadav.amit@gmail.com> Reviewed-by: Borislav Petkov <bp@suse.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/03c699cfd6021e467be650d6b73deaccfe4b4bd7.1498751203.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/acpi.h')
-rw-r--r--arch/x86/include/asm/acpi.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 2efc768e4362..562286fa151f 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -150,8 +150,6 @@ static inline void disable_acpi(void) { }
extern int x86_acpi_numa_init(void);
#endif /* CONFIG_ACPI_NUMA */
-#define acpi_unlazy_tlb(x) leave_mm(x)
-
#ifdef CONFIG_ACPI_APEI
static inline pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr)
{
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