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| author | David Woodhouse <dwmw@amazon.co.uk> | 2018-01-25 17:14:15 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-01-26 15:53:18 +0100 |
| commit | 20ffa1caecca4db8f79fe665acdeaa5af815a24d (patch) | |
| tree | 7c96c70a366d24e44e6b85d84921cd837c3fad76 /arch/x86/math-emu | |
| parent | x86/cpufeature: Blacklist SPEC_CTRL/PRED_CMD on early Spectre v2 microcodes (diff) | |
| download | linux-20ffa1caecca4db8f79fe665acdeaa5af815a24d.tar.xz linux-20ffa1caecca4db8f79fe665acdeaa5af815a24d.zip | |
x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support
Expose indirect_branch_prediction_barrier() for use in subsequent patches.
[ tglx: Add IBPB status to spectre_v2 sysfs file ]
Co-developed-by: KarimAllah Ahmed <karahmed@amazon.de>
Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Cc: gnomes@lxorguk.ukuu.org.uk
Cc: ak@linux.intel.com
Cc: ashok.raj@intel.com
Cc: dave.hansen@intel.com
Cc: arjan@linux.intel.com
Cc: torvalds@linux-foundation.org
Cc: peterz@infradead.org
Cc: bp@alien8.de
Cc: pbonzini@redhat.com
Cc: tim.c.chen@linux.intel.com
Cc: gregkh@linux-foundation.org
Link: https://lkml.kernel.org/r/1516896855-7642-8-git-send-email-dwmw@amazon.co.uk
Diffstat (limited to 'arch/x86/math-emu')
0 files changed, 0 insertions, 0 deletions