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Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r--arch/powerpc/kernel/signal_32.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index bd837b5dbf0..d7a4e814974 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -151,10 +151,7 @@ static inline int save_general_regs(struct pt_regs *regs,
elf_greg_t64 *gregs = (elf_greg_t64 *)regs;
int i;
- if (!FULL_REGS(regs)) {
- set_thread_flag(TIF_SAVE_NVGPRS);
- current_thread_info()->nvgprs_frame = frame->mc_gregs;
- }
+ WARN_ON(!FULL_REGS(regs));
for (i = 0; i <= PT_RESULT; i ++) {
if (i == 14 && !FULL_REGS(regs))
@@ -215,15 +212,7 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka,
static inline int save_general_regs(struct pt_regs *regs,
struct mcontext __user *frame)
{
- if (!FULL_REGS(regs)) {
- /* Zero out the unsaved GPRs to avoid information
- leak, and set TIF_SAVE_NVGPRS to ensure that the
- registers do actually get saved later. */
- memset(&regs->gpr[14], 0, 18 * sizeof(unsigned long));
- current_thread_info()->nvgprs_frame = &frame->mc_gregs;
- set_thread_flag(TIF_SAVE_NVGPRS);
- }
-
+ WARN_ON(!FULL_REGS(regs));
return __copy_to_user(&frame->mc_gregs, regs, GP_REGS_SIZE);
}
@@ -826,8 +815,8 @@ static int do_setcontext(struct ucontext __user *ucp, struct pt_regs *regs, int
}
long sys_swapcontext(struct ucontext __user *old_ctx,
- struct ucontext __user *new_ctx,
- int ctx_size, int r6, int r7, int r8, struct pt_regs *regs)
+ struct ucontext __user *new_ctx,
+ int ctx_size, int r6, int r7, int r8, struct pt_regs *regs)
{
unsigned char tmp;