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| author | Ingo Molnar <mingo@kernel.org> | 2013-08-14 12:14:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-08-14 12:14:12 +0200 |
| commit | 397f09977ea350a20f20b415a9313cc790137742 (patch) | |
| tree | 0e44f2f3e5804bd5c0c6f644785006b7225e3c94 /arch/powerpc/include/asm/switch_to.h | |
| parent | 6356bb0ad6525dae93c06478a098ed3848e9ab01 (diff) | |
| parent | a4b4bedce880046feeb5b206392960f395ed02ad (diff) | |
| download | op-kernel-dev-397f09977ea350a20f20b415a9313cc790137742.zip op-kernel-dev-397f09977ea350a20f20b415a9313cc790137742.tar.gz | |
Merge tag 'amd_f15_m30' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into x86/ras
Pull AMD F15h, model 0x30 and later enablement stuff, more specifically EDAC
support, from Borislav Petkov.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/include/asm/switch_to.h')
| -rw-r--r-- | arch/powerpc/include/asm/switch_to.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 49a13e0..294c2ce 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -15,6 +15,15 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_struct; extern struct task_struct *_switch(struct thread_struct *prev, struct thread_struct *next); +#ifdef CONFIG_PPC_BOOK3S_64 +static inline void save_tar(struct thread_struct *prev) +{ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) + prev->tar = mfspr(SPRN_TAR); +} +#else +static inline void save_tar(struct thread_struct *prev) {} +#endif extern void giveup_fpu(struct task_struct *); extern void load_up_fpu(void); |
