diff options
| author | Dave Airlie <airlied@redhat.com> | 2025-05-06 16:39:25 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2025-05-06 16:39:25 +1000 |
| commit | 5e0c67998152bdb91b056160449ee542b86271a5 (patch) | |
| tree | dff9fd979b0319dd2ed873a77246950d7ed95ceb /arch/parisc/math-emu/driver.c | |
| parent | 135130db6ee6500e6c82cf44dd831c3fe15f7b5f (diff) | |
| parent | 92a09c47464d040866cf2b4cd052bc60555185fb (diff) | |
BackMerge tag 'v6.15-rc5' into drm-next
Linux 6.15-rc5, requested by tzimmerman for fixes required in drm-next.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/parisc/math-emu/driver.c')
| -rw-r--r-- | arch/parisc/math-emu/driver.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/parisc/math-emu/driver.c b/arch/parisc/math-emu/driver.c index 34495446e051..71829cb7bc81 100644 --- a/arch/parisc/math-emu/driver.c +++ b/arch/parisc/math-emu/driver.c @@ -97,9 +97,19 @@ handle_fpe(struct pt_regs *regs) memcpy(regs->fr, frcopy, sizeof regs->fr); if (signalcode != 0) { - force_sig_fault(signalcode >> 24, signalcode & 0xffffff, - (void __user *) regs->iaoq[0]); - return -1; + int sig = signalcode >> 24; + + if (sig == SIGFPE) { + /* + * Clear floating point trap bit to avoid trapping + * again on the first floating-point instruction in + * the userspace signal handler. + */ + regs->fr[0] &= ~(1ULL << 38); + } + force_sig_fault(sig, signalcode & 0xffffff, + (void __user *) regs->iaoq[0]); + return -1; } return signalcode ? -1 : 0; |