commit d51b295acd90c52a01b0afb316833c2783e1fb14
Author: Kyle McMartin <[EMAIL PROTECTED]>
Date: Tue Apr 15 18:36:38 2008 -0400
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 <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 2ce3806..e060d26 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. */
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