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-rw-r--r--arch/powerpc/kernel/signal_64.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 1ce0ae3f6ffc..b27e26852fdb 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -176,6 +176,13 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
176 */ 176 */
177 discard_lazy_cpu_state(); 177 discard_lazy_cpu_state();
178 178
179 /*
180 * Force reload of FP/VEC.
181 * This has to be done before copying stuff into current->thread.fpr/vr
182 * for the reasons explained in the previous comment.
183 */
184 regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC);
185
179 err |= __copy_from_user(&current->thread.fpr, &sc->fp_regs, FP_REGS_SIZE); 186 err |= __copy_from_user(&current->thread.fpr, &sc->fp_regs, FP_REGS_SIZE);
180 187
181#ifdef CONFIG_ALTIVEC 188#ifdef CONFIG_ALTIVEC
@@ -197,9 +204,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
197 current->thread.vrsave = 0; 204 current->thread.vrsave = 0;
198#endif /* CONFIG_ALTIVEC */ 205#endif /* CONFIG_ALTIVEC */
199 206
200 /* Force reload of FP/VEC */
201 regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC);
202
203 return err; 207 return err;
204} 208}
205 209