| #
ca834def |
| 15-Oct-2021 |
Thomas Gleixner <tglx@linutronix.de> |
x86/fpu: Rework copy_xstate_to_uabi_buf()
Prepare for replacing the KVM copy xstate to user function by extending
copy_xstate_to_uabi_buf() with a pkru argument which allows the caller to
hand in th
x86/fpu: Rework copy_xstate_to_uabi_buf()
Prepare for replacing the KVM copy xstate to user function by extending
copy_xstate_to_uabi_buf() with a pkru argument which allows the caller to
hand in the pkru value, which is required for KVM because the guest PKRU is
not accessible via current. Fixup all callsites accordingly.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011539.191902137@linutronix.de
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| #
126fe040 |
| 15-Oct-2021 |
Thomas Gleixner <tglx@linutronix.de> |
x86/fpu: Cleanup xstate xcomp_bv initialization
No point in having this duplicated all over the place with needlessly
different defines.
Provide a proper initialization function which initializes u
x86/fpu: Cleanup xstate xcomp_bv initialization
No point in having this duplicated all over the place with needlessly
different defines.
Provide a proper initialization function which initializes user buffers
properly and make KVM use it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011538.897664678@linutronix.de
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