FreeBSD Bugzilla – Attachment 197961 Details for
Bug 232081
12.0-BETA8 crashes under 11.2+Bhyve on Phenom-II (unemulated clflush [ebx])
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[patch]
Tweak cache features bits before ifuncs are resolved.
1.patch (text/plain), 855 bytes, created by
Konstantin Belousov
on 2018-10-09 10:19:00 UTC
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Description:
Tweak cache features bits before ifuncs are resolved.
Filename:
MIME Type:
Creator:
Konstantin Belousov
Created:
2018-10-09 10:19:00 UTC
Size:
855 bytes
patch
obsolete
>diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c >index dc174e85a61..4f661c24154 100644 >--- a/sys/amd64/amd64/machdep.c >+++ b/sys/amd64/amd64/machdep.c >@@ -1575,11 +1575,8 @@ hammer_time(u_int64_t modulep, u_int64_t physfree) > > identify_cpu1(); > identify_hypervisor(); >- /* >- * hw.cpu_stdext_disable is ignored by the call, it will be >- * re-evaluted by the below call to finishidentcpu(). >- */ > identify_cpu2(); >+ initializecpucache(); > > /* > * Check for pti, pcid, and invpcid before ifuncs are >@@ -1727,7 +1724,6 @@ hammer_time(u_int64_t modulep, u_int64_t physfree) > > finishidentcpu(); /* Final stage of CPU initialization */ > initializecpu(); /* Initialize CPU registers */ >- initializecpucache(); > > /* doublefault stack space, runs on ist1 */ > common_tss[0].tss_ist1 = (long)&dblfault_stack[sizeof(dblfault_stack)];
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bug 232081
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