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authorKyle McMartin <kyle@mcmartin.ca>2008-04-15 18:36:38 -0400
committerChris Wright <chrisw@sous-sol.org>2008-04-18 18:53:30 -0700
commitd51b295acd90c52a01b0afb316833c2783e1fb14 (patch)
tree51aa89fa1e96c4073d9f4d779cad760a0627af72
parent24319896af06b84f965bcefa0f2d926b726ed05b (diff)
PARISC fix signal trampoline cache flushing
upstream commit: cf39cc3b56bc4a562db6242d3069f65034ec7549 The signal trampolines were accidently flushing the kernel I$ instead of the users. Fix that up, and also add a missing user D$ flush while we're at it. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Chris Wright <chrisw@sous-sol.org>
-rw-r--r--arch/parisc/kernel/signal.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 2ce3806f02e1..e060d26e6a59 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -534,7 +534,8 @@ insert_restart_trampoline(struct pt_regs *regs)
* Flushing one cacheline is cheap.
* "sync" on bigger (> 4 way) boxes is not.
*/
- flush_icache_range(regs->gr[30], regs->gr[30] + 4);
+ flush_user_dcache_range(regs->gr[30], regs->gr[30] + 4);
+ flush_user_icache_range(regs->gr[30], regs->gr[30] + 4);
regs->gr[31] = regs->gr[30] + 8;
/* Preserve original r28. */