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x86/bugs/IBRS: properly use the _base ops if IBRS is currently unset
authorZhenzhong Duan <zhenzhong.duan@oracle.com>
Wed, 10 Oct 2018 09:07:18 +0000 (17:07 +0800)
committerBrian Maly <brian.maly@oracle.com>
Thu, 11 Oct 2018 21:27:00 +0000 (17:27 -0400)
commit8b44d2a3d7ada0818db085f453c4444adb21b82b
treef5bcf8c4eda816625fc8548b045bea2d80d05a8btree
parentbd697676290d91762ef2bf79832f653b44e6f83bcommit | diff
x86/bugs/IBRS: properly use the _base ops if IBRS is currently unset

... or else we can run into an idle state with IBRS enabled which lead to
low performance.

Orabug: 28782729

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Signed-off-by: Brian Maly <brian.maly@oracle.com>
arch/x86/kernel/cpu/bugs_64.c diff | blob | history
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