x86/fpu: Prepare guest FPU for dynamically enabled FPU features

Browse source

To support dynamically enabled FPU features for guests prepare the guest
pseudo FPU container to keep track of the currently enabled xfeatures and
the guest permissions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jing Liu <jing2.liu@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20220105123532.12586-3-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

This commit is contained in:

Thomas Gleixner 2022-01-05 04:35:13 -08:00 • committed by Paolo Bonzini

parent 980fe2fddc

commit 36487e6228

2 changed files with 38 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

13

arch/x86/include/asm/fpu/types.h

View file

26

arch/x86/kernel/fpu/core.c

View file