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authorH. Peter Anvin <hpa@linux.intel.com>2013-02-12 15:47:45 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2013-02-12 15:47:45 -0800
commit8ecba5af948cb58bf6d5eb1537c0df53cbc319c4 (patch)
tree83775a334c9e4be97b5dbf3f0a1d86854b10c4c1 /arch/x86/platform/uv/tlb_uv.c
parent2b9b6d8c715b23fa119261c32ad360681f4464a9 (diff)
parent836dc9e3fbbab0c30aa6e664417225f5c1fb1c39 (diff)
downloadtalos-op-linux-8ecba5af948cb58bf6d5eb1537c0df53cbc319c4.tar.gz
talos-op-linux-8ecba5af948cb58bf6d5eb1537c0df53cbc319c4.zip
Merge tag 'v3.8-rc7' into x86/asm
Merge in the updates to head_32.S from the previous urgent branch, as upcoming patches will make further changes. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/platform/uv/tlb_uv.c')
-rw-r--r--arch/x86/platform/uv/tlb_uv.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index b8b3a37c80cd..dbbdca5f508c 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1034,7 +1034,8 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp,
* globally purge translation cache of a virtual address or all TLB's
* @cpumask: mask of all cpu's in which the address is to be removed
* @mm: mm_struct containing virtual address range
- * @va: virtual address to be removed (or TLB_FLUSH_ALL for all TLB's on cpu)
+ * @start: start virtual address to be removed from TLB
+ * @end: end virtual address to be remove from TLB
* @cpu: the current cpu
*
* This is the entry point for initiating any UV global TLB shootdown.
@@ -1056,7 +1057,7 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp,
*/
const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
struct mm_struct *mm, unsigned long start,
- unsigned end, unsigned int cpu)
+ unsigned long end, unsigned int cpu)
{
int locals = 0;
int remotes = 0;
@@ -1113,7 +1114,10 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
record_send_statistics(stat, locals, hubs, remotes, bau_desc);
- bau_desc->payload.address = start;
+ if (!end || (end - start) <= PAGE_SIZE)
+ bau_desc->payload.address = start;
+ else
+ bau_desc->payload.address = TLB_FLUSH_ALL;
bau_desc->payload.sending_cpu = cpu;
/*
* uv_flush_send_and_wait returns 0 if all cpu's were messaged,
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