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| author | Paul Mackerras <paulus@samba.org> | 2006-03-09 14:32:05 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-03-09 14:32:05 +1100 |
| commit | 516450179454de9e689e0a53ed8f34b896e8651c (patch) | |
| tree | 78eae2f77de6cd39b18c7393fc5854456fc3fb1f /arch/powerpc/kernel/signal_64.c | |
| parent | 6749c5507388f3fc3719f57a54b540ee83f6661a (diff) | |
| parent | 0d514f040ac6629311974889d5b96bcf21c6461a (diff) | |
| download | blackbird-op-linux-516450179454de9e689e0a53ed8f34b896e8651c.tar.gz blackbird-op-linux-516450179454de9e689e0a53ed8f34b896e8651c.zip | |
Merge ../linux-2.6
Diffstat (limited to 'arch/powerpc/kernel/signal_64.c')
| -rw-r--r-- | arch/powerpc/kernel/signal_64.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 59b9c9cdd6a9..47f910380a6a 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -116,14 +116,7 @@ static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, err |= __put_user(0, &sc->v_regs); #endif /* CONFIG_ALTIVEC */ err |= __put_user(&sc->gp_regs, &sc->regs); - 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(®s->gpr[14], 0, 18 * sizeof(unsigned long)); - set_thread_flag(TIF_SAVE_NVGPRS); - current_thread_info()->nvgprs_frame = &sc->gp_regs; - } + WARN_ON(!FULL_REGS(regs)); err |= __copy_to_user(&sc->gp_regs, regs, GP_REGS_SIZE); err |= __copy_to_user(&sc->fp_regs, ¤t->thread.fpr, FP_REGS_SIZE); err |= __put_user(signr, &sc->signal); |
