diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-08-17 05:47:55 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-09-15 22:13:35 +1000 |
| commit | 80739c2bd29133715d6828e333649a55095f4747 (patch) | |
| tree | 11a2d51eea750c7b4ae38dcb4d3853dd0f3d9cf5 /arch/powerpc/kernel/process.c | |
| parent | 60d62bfd24efce1a595d259100b8a4e7a489e834 (diff) | |
powerpc/process: Remove useless #ifdef CONFIG_VSX
cpu_has_feature(CPU_FTR_VSX) returns false when CONFIG_VSX is
not set.
There is no need to enclose the test in an #ifdef CONFIG_VSX.
Remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/0eb61cf0dc66d781d47deb2228498cd61d03a754.1597643221.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 3bc671df5b51..fb079f11a6df 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -124,10 +124,8 @@ unsigned long notrace msr_check_and_set(unsigned long bits) newmsr = oldmsr | bits; -#ifdef CONFIG_VSX if (cpu_has_feature(CPU_FTR_VSX) && (bits & MSR_FP)) newmsr |= MSR_VSX; -#endif if (oldmsr != newmsr) mtmsr_isync(newmsr); @@ -144,10 +142,8 @@ void notrace __msr_check_and_clear(unsigned long bits) newmsr = oldmsr & ~bits; -#ifdef CONFIG_VSX if (cpu_has_feature(CPU_FTR_VSX) && (bits & MSR_FP)) newmsr &= ~MSR_VSX; -#endif if (oldmsr != newmsr) mtmsr_isync(newmsr); @@ -162,10 +158,8 @@ static void __giveup_fpu(struct task_struct *tsk) save_fpu(tsk); msr = tsk->thread.regs->msr; msr &= ~(MSR_FP|MSR_FE0|MSR_FE1); -#ifdef CONFIG_VSX if (cpu_has_feature(CPU_FTR_VSX)) msr &= ~MSR_VSX; -#endif tsk->thread.regs->msr = msr; } @@ -245,10 +239,8 @@ static void __giveup_altivec(struct task_struct *tsk) save_altivec(tsk); msr = tsk->thread.regs->msr; msr &= ~MSR_VEC; -#ifdef CONFIG_VSX if (cpu_has_feature(CPU_FTR_VSX)) msr &= ~MSR_VSX; -#endif tsk->thread.regs->msr = msr; } @@ -421,10 +413,8 @@ static int __init init_msr_all_available(void) if (cpu_has_feature(CPU_FTR_ALTIVEC)) msr_all_available |= MSR_VEC; #endif -#ifdef CONFIG_VSX if (cpu_has_feature(CPU_FTR_VSX)) msr_all_available |= MSR_VSX; -#endif #ifdef CONFIG_SPE if (cpu_has_feature(CPU_FTR_SPE)) msr_all_available |= MSR_SPE; @@ -509,19 +499,18 @@ static bool should_restore_altivec(void) { return false; } static void do_restore_altivec(void) { } #endif /* CONFIG_ALTIVEC */ -#ifdef CONFIG_VSX static bool should_restore_vsx(void) { if (cpu_has_feature(CPU_FTR_VSX)) return true; return false; } +#ifdef CONFIG_VSX static void do_restore_vsx(void) { current->thread.used_vsr = 1; } #else -static bool should_restore_vsx(void) { return false; } static void do_restore_vsx(void) { } #endif /* CONFIG_VSX */ |