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2a1dada3d1
There are situations where the late microcode is loaded into memory but is not applied: 1) The rendezvous fails 2) The microcode is rejected by the CPUs If any of this happens then the pointer which was updated at firmware load time is stale and subsequent CPU hotplug operations either fail to update or create inconsistent microcode state. Save the loaded microcode in a separate pointer before the late load is attempted and when successful, update the hotplug pointer accordingly via a new microcode_ops callback. Remove the pointless fallback in the loader to a microcode pointer which is never populated. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20231002115902.505491309@linutronix.de |
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| .. | ||
| mce | ||
| microcode | ||
| mtrr | ||
| resctrl | ||
| sgx | ||
| .gitignore | ||
| acrn.c | ||
| amd.c | ||
| aperfmperf.c | ||
| bugs.c | ||
| cacheinfo.c | ||
| centaur.c | ||
| common.c | ||
| cpu.h | ||
| cpuid-deps.c | ||
| cyrix.c | ||
| feat_ctl.c | ||
| hygon.c | ||
| hypervisor.c | ||
| intel_epb.c | ||
| intel_pconfig.c | ||
| intel.c | ||
| Makefile | ||
| match.c | ||
| mkcapflags.sh | ||
| mshyperv.c | ||
| perfctr-watchdog.c | ||
| powerflags.c | ||
| proc.c | ||
| rdrand.c | ||
| scattered.c | ||
| topology.c | ||
| transmeta.c | ||
| tsx.c | ||
| umc.c | ||
| umwait.c | ||
| vmware.c | ||
| vortex.c | ||
| zhaoxin.c | ||