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| author | Thomas Gleixner <tglx@linutronix.de> | 2021-10-13 17:55:49 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-10-21 15:03:36 +0300 |
| commit | 073e627a4537e682c43a1e8df659ce24cbced40c (patch) | |
| tree | 42bd41d970df4ba299229671be9267e064af7d0b /arch/x86/kernel/fpu/xstate.h | |
| parent | be31dfdfd75b172af3ddcfa7511cdc3bb7adb25e (diff) | |
| download | linux-073e627a4537e682c43a1e8df659ce24cbced40c.tar.xz | |
x86/fpu/xstate: Use fpstate for os_xsave()
With variable feature sets XSAVE[S] requires to know the feature set for
which the buffer is valid. Retrieve it from fpstate.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211013145323.025695590@linutronix.de
Diffstat (limited to 'arch/x86/kernel/fpu/xstate.h')
| -rw-r--r-- | arch/x86/kernel/fpu/xstate.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/fpu/xstate.h b/arch/x86/kernel/fpu/xstate.h index 99f8cfec719d..24a1479caea2 100644 --- a/arch/x86/kernel/fpu/xstate.h +++ b/arch/x86/kernel/fpu/xstate.h @@ -101,16 +101,16 @@ extern void *get_xsave_addr(struct xregs_state *xsave, int xfeature_nr); * Uses either XSAVE or XSAVEOPT or XSAVES depending on the CPU features * and command line options. The choice is permanent until the next reboot. */ -static inline void os_xsave(struct xregs_state *xstate) +static inline void os_xsave(struct fpstate *fpstate) { - u64 mask = xfeatures_mask_all; + u64 mask = fpstate->xfeatures; u32 lmask = mask; u32 hmask = mask >> 32; int err; WARN_ON_FPU(!alternatives_patched); - XSTATE_XSAVE(xstate, lmask, hmask, err); + XSTATE_XSAVE(&fpstate->regs.xsave, lmask, hmask, err); /* We should never fault when copying to a kernel buffer: */ WARN_ON_FPU(err); |