x86/fpu: Use copy_xstate_to_uabi_buf() in xfpregs_get()

Browse source

Use the new functionality of copy_xstate_to_uabi_buf() to retrieve the
FX state when XSAVE* is in use. This avoids overwriting the FPU state
buffer with fpstate_sanitize_xstate() which is error prone and duplicated
code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210623121452.901736860@linutronix.de

...

This commit is contained in:

Thomas Gleixner 2021-06-23 14:01:43 +02:00 • committed by Borislav Petkov

parent eb6f51723f

commit adc997b3d6

1 changed files with 8 additions and 3 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

11

arch/x86/kernel/fpu/regset.c

View file