From 0127262c01f0beb485f917c720d1d95d165dfdbf Mon Sep 17 00:00:00 2001 From: Mihai Caraman Date: Thu, 6 Sep 2012 02:49:44 +0000 Subject: powerpc: Restore VDSO information on critical exception om BookE Critical exception on 64-bit booke uses user-visible SPRG3 as scratch. Restore VDSO information in SPRG3 on exception prolog. Use a common sprg3 field in PACA for all powerpc64 architectures. Signed-off-by: Mihai Caraman Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/vdso.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'arch/powerpc/kernel/vdso.c') diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index b67db22e102d..1b2076f049ce 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -723,9 +723,7 @@ int __cpuinit vdso_getcpu_init(void) val = (cpu & 0xfff) | ((node & 0xffff) << 16); mtspr(SPRN_SPRG3, val); -#ifdef CONFIG_KVM_BOOK3S_HANDLER - get_paca()->kvm_hstate.sprg3 = val; -#endif + get_paca()->sprg3 = val; put_cpu(); -- cgit