[PARISC] fix signal trampoline cache flushing

cf39cc3b · Kyle McMartin <[email protected]> · 2008-04-15 18:36:38 -04:00

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]>

Commit: cf39cc3b56bc4a562db6242d3069f65034ec7549
Parents: 093a07e2

Changes

1 files changed · +2 −1

File	Status	Add	Del	Content
arch/parisc/kernel/signal.c	modified	+2	−1	View file

arch/parisc/kernel/signal.c

View file

diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 58fccc9..06213d1 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. */