| Date | Thu, 21 Oct 2021 15:12:26 -0000 | From | "tip-bot2 for Thomas Gleixner" <> | Subject | [tip: x86/fpu] x86/fpu/xstate: Use fpstate for xsave_to_user_sigframe() |
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The following commit has been merged into the x86/fpu branch of tip:
Commit-ID: 0b2d39aa03574eb401cdfaac2f483a6f68173355 Gitweb: https://git.kernel.org/tip/0b2d39aa03574eb401cdfaac2f483a6f68173355 Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Wed, 13 Oct 2021 16:55:51 +02:00 Committer: Borislav Petkov <bp@suse.de> CommitterDate: Thu, 21 Oct 2021 14:04:46 +02:00
x86/fpu/xstate: Use fpstate for xsave_to_user_sigframe()
With dynamically enabled features the sigframe code must know the features which are enabled for the task. Get them from fpstate.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211013145323.077781448@linutronix.de --- arch/x86/kernel/fpu/xstate.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/fpu/xstate.h b/arch/x86/kernel/fpu/xstate.h index 24a1479..3e9eaf9 100644 --- a/arch/x86/kernel/fpu/xstate.h +++ b/arch/x86/kernel/fpu/xstate.h @@ -149,7 +149,7 @@ static inline int xsave_to_user_sigframe(struct xregs_state __user *buf) * internally, e.g. PKRU. That's user space ABI and also required * to allow the signal handler to modify PKRU. */ - u64 mask = xfeatures_mask_uabi(); + u64 mask = current->thread.fpu.fpstate->user_xfeatures; u32 lmask = mask; u32 hmask = mask >> 32; int err;
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