summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/fpu/internal.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2021-10-15 03:16:41 +0200
committerBorislav Petkov <bp@suse.de>2021-10-20 15:27:29 +0200
commit079ec41b22b952cdf3126527d735e373c9125f6d (patch)
tree4b05e6bf06ae8062b7f879db9e0b2d4574f2fca5 /arch/x86/kernel/fpu/internal.h
parentb56d2795b29792c465cc8ef036abad5127a003fb (diff)
downloadlinux-079ec41b22b952cdf3126527d735e373c9125f6d.tar.gz
linux-079ec41b22b952cdf3126527d735e373c9125f6d.tar.bz2
linux-079ec41b22b952cdf3126527d735e373c9125f6d.zip
x86/fpu: Provide a proper function for ex_handler_fprestore()
To make upcoming changes for support of dynamically enabled features simpler, provide a proper function for the exception handler which removes exposure of FPU internals. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011540.053515012@linutronix.de
Diffstat (limited to 'arch/x86/kernel/fpu/internal.h')
-rw-r--r--arch/x86/kernel/fpu/internal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/fpu/internal.h b/arch/x86/kernel/fpu/internal.h
index bd7f813242dd..479f2db6e160 100644
--- a/arch/x86/kernel/fpu/internal.h
+++ b/arch/x86/kernel/fpu/internal.h
@@ -2,6 +2,8 @@
#ifndef __X86_KERNEL_FPU_INTERNAL_H
#define __X86_KERNEL_FPU_INTERNAL_H
+extern union fpregs_state init_fpstate;
+
/* CPU feature check wrappers */
static __always_inline __pure bool use_xsave(void)
{