Revert "x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation"

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This reverts commit 233b9d7df0 which is
commit 53c613fe63 upstream.

It's not ready for the stable trees as there are major slowdowns
involved with this patch.

Reported-by: Jiri Kosina <jkosina@suse.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc:  "WoodhouseDavid" <dwmw@amazon.co.uk>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc:  "SchauflerCasey" <casey.schaufler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Greg Kroah-Hartman 2018-11-21 19:11:06 +01:00

parent 520d56492b

commit 6b18878334

2 changed files with 7 additions and 61 deletions

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57

arch/x86/kernel/cpu/bugs.c

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11

kernel/cpu.c

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