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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-02-25 19:36:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-02-25 19:36:33 -0800 |
| commit | 70d070f56a24b0d966aee547b6c51d09e9185b63 (patch) | |
| tree | 0899067a56692a9646de54839b50fdc1d22f412a /arch | |
| parent | Merge tag 'nfsd-4.5-1' of git://linux-nfs.org/~bfields/linux (diff) | |
| parent | s390/fpu: signals vs. floating point control register (diff) | |
| download | linux-dev-70d070f56a24b0d966aee547b6c51d09e9185b63.tar.xz linux-dev-70d070f56a24b0d966aee547b6c51d09e9185b63.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 bugfixes from Martin Schwidefsky:
"Two critical bug fixes for the signal handling"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/fpu: signals vs. floating point control register
s390/compat: correct restore of high gprs on signal return
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/asm/fpu/internal.h | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/compat_signal.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/include/asm/fpu/internal.h b/arch/s390/include/asm/fpu/internal.h index ea91ddfe54eb..629c90865a07 100644 --- a/arch/s390/include/asm/fpu/internal.h +++ b/arch/s390/include/asm/fpu/internal.h @@ -40,6 +40,7 @@ static inline void convert_fp_to_vx(__vector128 *vxrs, freg_t *fprs) static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu) { fpregs->pad = 0; + fpregs->fpc = fpu->fpc; if (MACHINE_HAS_VX) convert_vx_to_fp((freg_t *)&fpregs->fprs, fpu->vxrs); else @@ -49,6 +50,7 @@ static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu) static inline void fpregs_load(_s390_fp_regs *fpregs, struct fpu *fpu) { + fpu->fpc = fpregs->fpc; if (MACHINE_HAS_VX) convert_fp_to_vx(fpu->vxrs, (freg_t *)&fpregs->fprs); else diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 66c94417c0ba..4af60374eba0 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -271,7 +271,7 @@ static int restore_sigregs_ext32(struct pt_regs *regs, /* Restore high gprs from signal stack */ if (__copy_from_user(&gprs_high, &sregs_ext->gprs_high, - sizeof(&sregs_ext->gprs_high))) + sizeof(sregs_ext->gprs_high))) return -EFAULT; for (i = 0; i < NUM_GPRS; i++) *(__u32 *)®s->gprs[i] = gprs_high[i]; |