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[PATCH] Kprobes: prevent possible race conditions sparc64 changes

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This patch contains the sparc64 architecture specific changes to prevent the
possible race conditions.

Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Prasanna S Panchamukhi
2005-09-06 15:19:30 -07:00
committed by Linus Torvalds
parent 1f7ad57b75
commit 05e14cb3ba
5 changed files with 30 additions and 20 deletions
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2
arch/sparc64/mm/ultra.S
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@@ -119,6 +119,7 @@ __spitfire_flush_tlb_mm_slow:
#else
#error unsupported PAGE_SIZE
#endif
.section .kprobes.text
.align 32
.globl __flush_icache_page
__flush_icache_page: /* %o0 = phys_page */
@@ -201,6 +202,7 @@ dflush4:stxa %g0, [%o4] ASI_DCACHE_TAG
nop
#endif /* DCACHE_ALIASING_POSSIBLE */
.previous .text
.align 32
__prefill_dtlb:
rdpr %pstate, %g7