x86/fpu/xstate: Use fpstate for os_xsave()
mainline inclusion from mainline-v5.16-rc1 commit 073e627a category: feature bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I590ZC CVE: NA Intel-SIG: commit 073e627a 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: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NBorislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211013145323.025695590@linutronix.deSigned-off-by: NLin Wang <lin.x.wang@intel.com> Signed-off-by: NAichun Shi <aichun.shi@intel.com>
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