Revert part of r331264: disable interrupts before disabling WP.
We might otherwise be preempted, leaving WP disabled while another thread runs on the CPU. Reported by: kib X-MFC with: r331264
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=331268
@ -146,11 +146,14 @@ fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval)
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void
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fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val)
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{
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register_t intr;
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bool old_wp;
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intr = intr_disable();
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old_wp = disable_wp();
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*fbt->fbtp_patchpoint = val;
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restore_wp(old_wp);
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intr_restore(intr);
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}
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int
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