pc, pc64: clear debug watchpoint registers on exec and exit

[plan9front.git] / sys / src / 9 / pc / archmp.c

diff --git a/sys/src/9/pc/archmp.c b/sys/src/9/pc/archmp.c
index b331c27d62321391e023913dd26098c921251792..fec5f76383d6c9c1f8baecc68b3a341b904cbd1f 100644 (file)
--- a/sys/src/9/pc/archmp.c
+++ b/sys/src/9/pc/archmp.c
@@ -395,7 +395,7 @@ identify(void)
         * if correct, check the version.
         * To do: check extended table checksum.
         */
-       if((_mp_ = sigsearch("_MP_")) == nil || checksum(_mp_, _MP_sz) != 0 || _mp_->physaddr == 0)
+       if((_mp_ = sigsearch("_MP_", _MP_sz)) == nil || _mp_->physaddr == 0)
                return 1;
 
        len = PCMPsz;