diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2015-02-09 08:48:24 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2015-02-09 08:48:24 +0000 |
| commit | 4db5b6cd3fa687713600b08c3d7848a3da2a3df2 (patch) | |
| tree | ea3b7dd6986e73d8ecaaa67d61b00d21105c6ca6 /sys/arch/mips64 | |
| parent | 44d8debf8b6924e184173bc7198af80b9dabb5cf (diff) | |
Do not even try to call uvm_grow() from sendsig. It will be invoked
automagically if copyout() of the signal frame faults.
Diffstat (limited to 'sys/arch/mips64')
| -rw-r--r-- | sys/arch/mips64/mips64/sendsig.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/sys/arch/mips64/mips64/sendsig.c b/sys/arch/mips64/mips64/sendsig.c index 118512bbcbd..8376975ae41 100644 --- a/sys/arch/mips64/mips64/sendsig.c +++ b/sys/arch/mips64/mips64/sendsig.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sendsig.c,v 1.23 2015/01/02 22:38:46 sebastia Exp $ */ +/* $OpenBSD: sendsig.c,v 1.24 2015/02/09 08:48:23 miod Exp $ */ /* * Copyright (c) 1990 The Regents of the University of California. @@ -118,11 +118,7 @@ sendsig(catcher, sig, mask, code, type, val) regs = p->p_md.md_regs; /* - * Allocate and validate space for the signal handler - * context. Note that if the stack is in data space, the - * call to grow() is a nop, and the copyout() - * will fail if the process has not already allocated - * the space with a `brk'. + * Allocate space for the signal handler context. */ fsize = sizeof(struct sigframe); if (!(psp->ps_siginfo & sigmask(sig))) @@ -133,8 +129,6 @@ sendsig(catcher, sig, mask, code, type, val) p->p_sigstk.ss_size - fsize); else fp = (struct sigframe *)(regs->sp - fsize); - if ((vaddr_t)fp <= USRSTACK - ptoa(p->p_vmspace->vm_ssize)) - (void)uvm_grow(p, (vaddr_t)fp); #ifdef DEBUG if ((sigdebug & SDB_FOLLOW) || ((sigdebug & SDB_KSTACK) && (p->p_pid == sigpid))) |