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-rw-r--r--sys/alpha/alpha/trap.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/alpha/alpha/trap.c b/sys/alpha/alpha/trap.c
index 423d4a7..99071fe 100644
--- a/sys/alpha/alpha/trap.c
+++ b/sys/alpha/alpha/trap.c
@@ -611,7 +611,9 @@ trap(a0, a1, a2, entry, framep)
framep->tf_regs[FRAME_TRAPARG_A0] = a0;
framep->tf_regs[FRAME_TRAPARG_A1] = a1;
framep->tf_regs[FRAME_TRAPARG_A2] = a2;
+ mtx_lock(&Giant);
trapsignal(p, i, ucode);
+ mtx_unlock(&Giant);
out:
if (user) {
framep->tf_regs[FRAME_SP] = alpha_pal_rdusp();
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