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| author | Peter Zijlstra <peterz@infradead.org> | 2022-02-07 15:02:50 -0800 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-02-15 11:31:43 +0100 |
| commit | a3d29e8291b622780eb6e4e3eeaf2b24ec78fd43 (patch) | |
| tree | 3f0f57f936a5e8bfce5debfb0902168cf37c5a5e /arch/x86/kernel | |
| parent | dc7507ddce593cbd9c93330024a5658db6f8ef73 (diff) | |
| download | linux-a3d29e8291b622780eb6e4e3eeaf2b24ec78fd43.tar.bz2 | |
sched: Define and initialize a flag to identify valid PASID in the task
Add a new single bit field to the task structure to track whether this task
has initialized the IA32_PASID MSR to the mm's PASID.
Initialize the field to zero when creating a new task with fork/clone.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20220207230254.3342514-8-fenghua.yu@intel.com
Diffstat (limited to 'arch/x86/kernel')
0 files changed, 0 insertions, 0 deletions