Author: andrew
Date: Tue May 31 11:32:09 2016
New Revision: 301034
URL: https://svnweb.freebsd.org/changeset/base/301034
Log:
Set oldfp so the check for fp == oldfp works as expected.
Obtained from: ABT Systems Ltd
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c
Modified: head/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c
==============================================================================
--- head/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c Tue May 31 11:32:07
2016 (r301033)
+++ head/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c Tue May 31 11:32:09
2016 (r301034)
@@ -119,7 +119,7 @@ dtrace_getustack_common(uint64_t *pcstac
volatile uint16_t *flags =
(volatile uint16_t *)&cpu_core[curcpu].cpuc_dtrace_flags;
int ret = 0;
- uintptr_t oldfp;
+ uintptr_t oldfp = fp;
ASSERT(pcstack == NULL || pcstack_limit > 0);
@@ -168,6 +168,8 @@ dtrace_getustack_common(uint64_t *pcstac
*flags &= ~CPU_DTRACE_FAULT;
break;
}
+
+ oldfp = fp;
}
return (ret);
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