diff options
| author |   Anton Blanchard <anton@samba.org> | 2015-12-10 20:04:05 +1100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2015-12-10 20:10:53 +1100 |
| commit | d64d02ce4ebaa79bf1c026e81a956f133938af65 (patch) | |
| tree | bd039c457421b00f2d3d6aa6bead6199f594e413 /arch | |
| parent | powerpc: clean up asm/switch_to.h (diff) | |
| download | linux-dev-d64d02ce4ebaa79bf1c026e81a956f133938af65.tar.xz linux-dev-d64d02ce4ebaa79bf1c026e81a956f133938af65.zip | |
powerpc: Call check_if_tm_restore_required() in enable_kernel_*()
Commit a0e72cf12b1a ("powerpc: Create msr_check_and_{set,clear}()")
removed a call to check_if_tm_restore_required() in the
enable_kernel_*() functions. Add them back in.
Fixes: a0e72cf12b1a ("powerpc: Create msr_check_and_{set,clear}()")
Reported-by: Rashmica Gupta <rashmicy@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 58194c3f421e..1eeda3b80b65 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -181,8 +181,10 @@ void enable_kernel_fp(void) msr_check_and_set(MSR_FP); - if (current->thread.regs && (current->thread.regs->msr & MSR_FP)) + if (current->thread.regs && (current->thread.regs->msr & MSR_FP)) { + check_if_tm_restore_required(current); __giveup_fpu(current); + } } EXPORT_SYMBOL(enable_kernel_fp); #endif /* CONFIG_PPC_FPU */ @@ -204,8 +206,10 @@ void enable_kernel_altivec(void) msr_check_and_set(MSR_VEC); - if (current->thread.regs && (current->thread.regs->msr & MSR_VEC)) + if (current->thread.regs && (current->thread.regs->msr & MSR_VEC)) { + check_if_tm_restore_required(current); __giveup_altivec(current); + } } EXPORT_SYMBOL(enable_kernel_altivec); @@ -249,6 +253,7 @@ void enable_kernel_vsx(void) msr_check_and_set(MSR_FP|MSR_VEC|MSR_VSX); if (current->thread.regs && (current->thread.regs->msr & MSR_VSX)) { + check_if_tm_restore_required(current); if (current->thread.regs->msr & MSR_FP) __giveup_fpu(current); if (current->thread.regs->msr & MSR_VEC) @@ -289,8 +294,10 @@ void enable_kernel_spe(void) msr_check_and_set(MSR_SPE); - if (current->thread.regs && (current->thread.regs->msr & MSR_SPE)) + if (current->thread.regs && (current->thread.regs->msr & MSR_SPE)) { + check_if_tm_restore_required(current); __giveup_spe(current); + } } EXPORT_SYMBOL(enable_kernel_spe); |