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(parent: ea41bb5) | patch
x86/speculation: Add __update_spec_ctrl() helper
authorWaiman Long <longman@redhat.com>
Thu, 27 Jul 2023 18:45:57 +0000 (14:45 -0400)
committerIngo Molnar <mingo@kernel.org>
Sat, 7 Oct 2023 09:33:28 +0000 (11:33 +0200)
commite3e3bab1844d448a239cd57ebf618839e26b4157
tree802bf900819d458b15494cdd680b1627f227b576tree
parentea41bb514fe286bf50498b3c6d7f7a5dc2b6c5e0commit | diff
x86/speculation: Add __update_spec_ctrl() helper

Add a new __update_spec_ctrl() helper which is a variant of
update_spec_ctrl() that can be used in a noinstr function.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20230727184600.26768-2-longman@redhat.com
arch/x86/include/asm/spec-ctrl.h diff | blob | history
XArray, radix tree and IDR