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 <rashm...@gmail.com> Signed-off-by: Anton Blanchard <an...@samba.org> --- arch/powerpc/kernel/process.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index fffc2d2..0cffb2c 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); -- 2.5.0 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev