]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/commit
x86/apic: Update TSC_DEADLINE quirk with additional SKX stepping
authorLen Brown <len.brown@intel.com>
Thu, 19 Oct 2017 17:38:00 +0000 (19:38 +0200)
committerKleber Sacilotto de Souza <kleber.souza@canonical.com>
Mon, 30 Oct 2017 16:16:37 +0000 (17:16 +0100)
commit8d724b83f57a94ac43bcbb7f34b41a8cedb30965
tree7b53775c9baee1dadbe8e3aaf44345934023d2a2
parent7468f901e20bb0e010e39a7958baae742d134752
x86/apic: Update TSC_DEADLINE quirk with additional SKX stepping

BugLink: http://bugs.launchpad.net/bugs/1724612
SKX stepping-3 fixed the TSC_DEADLINE issue in a different ucode
version number than stepping-4.  Linux needs to know this stepping-3
specific version number to also enable the TSC_DEADLINE on stepping-3.

The steppings and ucode versions are documented in the SKX BIOS update:
https://downloadmirror.intel.com/26978/eng/ReleaseNotes_R00.01.0004.txt

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: peterz@infradead.org
Link: https://lkml.kernel.org/r/60f2bbf7cf617e212b522e663f84225bfebc50e5.1507756305.git.len.brown@intel.com
(cherry-picked from commit 616dd5872e52493863b0202632703eebd51243dc upstream)
Signed-off-by: Dan Streetman <dan.streetman@canonical.com>
Acked-by: Marcelo Cerri <marcelo.cerri@canonical.com>
Acked-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
arch/x86/kernel/apic/apic.c