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| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-05-22 12:05:39 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-05-23 11:55:52 +0300 |
| commit | 8ecc4979b1bd9c94168e6fc92960033b7a951336 (patch) | |
| tree | 61f642b529c1bc721adb23818d5c289924d9c5fb /arch/x86/kernel/vsmp_64.c | |
| parent | 0aa48468d00959c8a37cd3ac727284f4f7359151 (diff) | |
| download | linux-8ecc4979b1bd9c94168e6fc92960033b7a951336.tar.xz | |
x86/speculation: Simplify the CPU bug detection logic
Only CPUs which speculate can speculate. Therefore, it seems prudent
to test for cpu_no_speculation first and only then determine whether
a specific speculating CPU is susceptible to store bypass speculation.
This is underlined by all CPUs currently listed in cpu_no_speculation
were present in cpu_no_spec_store_bypass as well.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@suse.de
Cc: konrad.wilk@oracle.com
Link: https://lkml.kernel.org/r/20180522090539.GA24668@light.dominikbrodowski.net
Diffstat (limited to 'arch/x86/kernel/vsmp_64.c')
0 files changed, 0 insertions, 0 deletions