Borislav Petkov 09e182d17e x86/microcode: Do not exit early from __reload_late() ... Vitezslav reported a case where the "Timeout during microcode update!" panic would hit. After a deeper look, it turned out that his .config had CONFIG_HOTPLUG_CPU disabled which practically made save_mc_for_early() a no-op. When that happened, the discovered microcode patch wasn't saved into the cache and the late loading path wouldn't find any. This, then, lead to early exit from __reload_late() and thus CPUs waiting until the timeout is reached, leading to the panic. In hindsight, that function should have been written so it does not return before the post-synchronization. Oh well, I know better now... Fixes: bb8c13d61a ("x86/microcode: Fix CPU synchronization routine") Reported-by: Vitezslav Samel <vitezslav@samel.cz> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Vitezslav Samel <vitezslav@samel.cz> Tested-by: Ashok Raj <ashok.raj@intel.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20180418081140.GA2439@pc11.op.pod.cz Link: https://lkml.kernel.org/r/20180421081930.15741-2-bp@alien8.de		2018-04-24 09:48:22 +02:00
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amd.c	Documentation: Fix early-microcode.txt references after file rename	2018-03-27 09:51:23 +02:00
core.c	x86/microcode: Do not exit early from __reload_late()	2018-04-24 09:48:22 +02:00
intel.c	x86/microcode/intel: Save microcode patch unconditionally	2018-04-24 09:48:22 +02:00
Makefile	x86/microcode/intel: Remove intel_lib.c	2016-10-25 12:28:59 +02:00