From: Anton Blanchard <anton@samba.org>
Date: Thu, 10 Dec 2015 09:04:05 +0000 (+1100)
Subject: powerpc: Call check_if_tm_restore_required() in enable_kernel_*()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d64d02ce4ebaa79bf1c026e81a956f133938af65;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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);