diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-08-17 05:47:58 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-09-15 22:13:36 +1000 |
| commit | c83c192a6fbb1d4db4144c40296ed059f5eca384 (patch) | |
| tree | 1369efb2fc0a603dda08675d2b9d0b495c860132 /arch/powerpc/kernel | |
| parent | 532ed1900d37a47c821718a0d8d28eb05b2c4d28 (diff) | |
| download | linux-c83c192a6fbb1d4db4144c40296ed059f5eca384.tar.bz2 | |
powerpc/process: Remove useless #ifdef CONFIG_PPC_FPU
Add a stub for __giveup_fpu() when CONFIG_PPC_FPU is
not selected, as done for CONFIG_SPE and CONFIG_ALTIVEC.
This allows to remove some #ifdef CONFIG_PPC_FPU.
Also change one to IS_ENABLED().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/69c8b7954ceeccc6b849e52e1fa41b3a0f10f6c1.1597643221.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 348d4355bc00..14d5189b17d8 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -229,6 +229,8 @@ void enable_kernel_fp(void) } } EXPORT_SYMBOL(enable_kernel_fp); +#else +static inline void __giveup_fpu(struct task_struct *tsk) { } #endif /* CONFIG_PPC_FPU */ #ifdef CONFIG_ALTIVEC @@ -406,9 +408,8 @@ static unsigned long msr_all_available; static int __init init_msr_all_available(void) { -#ifdef CONFIG_PPC_FPU - msr_all_available |= MSR_FP; -#endif + if (IS_ENABLED(CONFIG_PPC_FPU)) + msr_all_available |= MSR_FP; if (cpu_has_feature(CPU_FTR_ALTIVEC)) msr_all_available |= MSR_VEC; if (cpu_has_feature(CPU_FTR_VSX)) @@ -438,10 +439,8 @@ void giveup_all(struct task_struct *tsk) WARN_ON((usermsr & MSR_VSX) && !((usermsr & MSR_FP) && (usermsr & MSR_VEC))); -#ifdef CONFIG_PPC_FPU if (usermsr & MSR_FP) __giveup_fpu(tsk); -#endif if (usermsr & MSR_VEC) __giveup_altivec(tsk); if (usermsr & MSR_SPE) |