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authorMichael Neuling <mikey@neuling.org>2008-07-11 16:29:12 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 12:29:23 +1000
commit7c29217096d83f657e6ee70479af09b46f4275f6 (patch)
tree96fd96226d2998b1f56d7fb8110e27c489dbba89 /arch/powerpc/kernel/misc_64.S
parent01f4b8b8b8db09b88be7df7e51192e4e678b69d3 (diff)
downloadtalos-obmc-linux-7c29217096d83f657e6ee70479af09b46f4275f6.tar.gz
talos-obmc-linux-7c29217096d83f657e6ee70479af09b46f4275f6.zip
powerpc: fix giveup_vsx to save registers correctly
giveup_vsx didn't save the FPU and VMX regsiters. Change it to be like giveup_fpr/altivec which save these registers. Also update call sites where FPU and VMX are already saved to use the original giveup_vsx (renamed to __giveup_vsx). Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/misc_64.S')
-rw-r--r--arch/powerpc/kernel/misc_64.S8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 31b9026cf1e3..4dd70cf7bb4e 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -508,12 +508,12 @@ _GLOBAL(giveup_altivec)
#ifdef CONFIG_VSX
/*
- * giveup_vsx(tsk)
- * Disable VSX for the task given as the argument,
- * and save the vector registers in its thread_struct.
+ * __giveup_vsx(tsk)
+ * Disable VSX for the task given as the argument.
+ * Does NOT save vsx registers.
* Enables the VSX for use in the kernel on return.
*/
-_GLOBAL(giveup_vsx)
+_GLOBAL(__giveup_vsx)
mfmsr r5
oris r5,r5,MSR_VSX@h
mtmsrd r5 /* enable use of VSX now */
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