AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-27 12:55:04 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

powerpc/process: Remove useless #ifdef CONFIG_VSX

Browse Source 
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
This commit is contained in:
Christophe Leroy 2020-08-17 05:47:55 +00:00 committed by Michael Ellerman
parent 60d62bfd24
commit 80739c2bd2
1 changed files with 1 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/powerpc/kernel/process.c
View File

@ -124,10 +124,8 @@ unsigned long notrace msr_check_and_set(unsigned long bits)
newmsr = oldmsr | bits; newmsr = oldmsr | bits;
#ifdef CONFIG_VSX
if (cpu_has_feature(CPU_FTR_VSX) && (bits & MSR_FP)) if (cpu_has_feature(CPU_FTR_VSX) && (bits & MSR_FP))
newmsr |= MSR_VSX; newmsr |= MSR_VSX;
#endif
if (oldmsr != newmsr) if (oldmsr != newmsr)
mtmsr_isync(newmsr); mtmsr_isync(newmsr);
@ -144,10 +142,8 @@ void notrace __msr_check_and_clear(unsigned long bits)
newmsr = oldmsr & ~bits; newmsr = oldmsr & ~bits;
#ifdef CONFIG_VSX
if (cpu_has_feature(CPU_FTR_VSX) && (bits & MSR_FP)) if (cpu_has_feature(CPU_FTR_VSX) && (bits & MSR_FP))
newmsr &= ~MSR_VSX; newmsr &= ~MSR_VSX;
#endif
if (oldmsr != newmsr) if (oldmsr != newmsr)
mtmsr_isync(newmsr); mtmsr_isync(newmsr);
@ -162,10 +158,8 @@ static void __giveup_fpu(struct task_struct *tsk)
save_fpu(tsk); save_fpu(tsk);
msr = tsk->thread.regs->msr; msr = tsk->thread.regs->msr;
msr &= ~(MSR_FP|MSR_FE0|MSR_FE1); msr &= ~(MSR_FP|MSR_FE0|MSR_FE1);
#ifdef CONFIG_VSX
if (cpu_has_feature(CPU_FTR_VSX)) if (cpu_has_feature(CPU_FTR_VSX))
msr &= ~MSR_VSX; msr &= ~MSR_VSX;
#endif
tsk->thread.regs->msr = msr; tsk->thread.regs->msr = msr;
} }
@ -245,10 +239,8 @@ static void __giveup_altivec(struct task_struct *tsk)
save_altivec(tsk); save_altivec(tsk);
msr = tsk->thread.regs->msr; msr = tsk->thread.regs->msr;
msr &= ~MSR_VEC; msr &= ~MSR_VEC;
#ifdef CONFIG_VSX
if (cpu_has_feature(CPU_FTR_VSX)) if (cpu_has_feature(CPU_FTR_VSX))
msr &= ~MSR_VSX; msr &= ~MSR_VSX;
#endif
tsk->thread.regs->msr = msr; tsk->thread.regs->msr = msr;
} }
@ -421,10 +413,8 @@ static int __init init_msr_all_available(void)
if (cpu_has_feature(CPU_FTR_ALTIVEC)) if (cpu_has_feature(CPU_FTR_ALTIVEC))
msr_all_available |= MSR_VEC; msr_all_available |= MSR_VEC;
#endif #endif
#ifdef CONFIG_VSX
if (cpu_has_feature(CPU_FTR_VSX)) if (cpu_has_feature(CPU_FTR_VSX))
msr_all_available |= MSR_VSX; msr_all_available |= MSR_VSX;
#endif
#ifdef CONFIG_SPE #ifdef CONFIG_SPE
if (cpu_has_feature(CPU_FTR_SPE)) if (cpu_has_feature(CPU_FTR_SPE))
msr_all_available |= MSR_SPE; msr_all_available |= MSR_SPE;
@ -509,19 +499,18 @@ static bool should_restore_altivec(void) { return false; }
static void do_restore_altivec(void) { } static void do_restore_altivec(void) { }
#endif /* CONFIG_ALTIVEC */ #endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_VSX
static bool should_restore_vsx(void) static bool should_restore_vsx(void)
{ {
if (cpu_has_feature(CPU_FTR_VSX)) if (cpu_has_feature(CPU_FTR_VSX))
return true; return true;
return false; return false;
} }
#ifdef CONFIG_VSX
static void do_restore_vsx(void) static void do_restore_vsx(void)
{ {
current->thread.used_vsr = 1; current->thread.used_vsr = 1;
} }
#else #else
static bool should_restore_vsx(void) { return false; }
static void do_restore_vsx(void) { } static void do_restore_vsx(void) { }
#endif /* CONFIG_VSX */ #endif /* CONFIG_VSX */