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Grab Giant around fault handling at the top level for now.

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jhb 2001-06-29 04:18:59 +00:00
parent cc8833dfe9
commit 3c7ad73470
1 changed files with 3 additions and 0 deletions
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3
sys/alpha/alpha/trap.c
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@ -523,6 +523,7 @@ trap(a0, a1, a2, entry, framep)
goto out; goto out;
} }
mtx_lock(&Giant);
/* /*
* It is only a kernel address space fault iff: * It is only a kernel address space fault iff:
* 1. !user and * 1. !user and
@ -629,9 +630,11 @@ trap(a0, a1, a2, entry, framep)
rv = KERN_INVALID_ADDRESS; rv = KERN_INVALID_ADDRESS;
} }
if (rv == KERN_SUCCESS) { if (rv == KERN_SUCCESS) {
mtx_unlock(&Giant);
goto out; goto out;
} }
mtx_unlock(&Giant);
if (!user) { if (!user) {
/* Check for copyin/copyout fault */ /* Check for copyin/copyout fault */
if (p != NULL && if (p != NULL &&