400 				       struct fpstate *fpstate)  in validate_user_xstate_header()  argument
403 	if (hdr->xfeatures & ~fpstate->user_xfeatures)  in validate_user_xstate_header()
918 		wrmsrl(MSR_IA32_XFD, current->thread.fpu.fpstate->xfd);  in fpu__resume_cpu()
1058 void __copy_xstate_to_uabi_buf(struct membuf to, struct fpstate *fpstate,  in __copy_xstate_to_uabi_buf()  argument
1063 	struct xregs_state *xsave = &fpstate->regs.xsave;  in __copy_xstate_to_uabi_buf()
1083 		header.xfeatures &= fpstate->user_xfeatures;  in __copy_xstate_to_uabi_buf()
1126 	mask = fpstate->user_xfeatures;  in __copy_xstate_to_uabi_buf()
1186 	__copy_xstate_to_uabi_buf(to, tsk->thread.fpu.fpstate,  in copy_xstate_to_uabi_buf()
1203 static int copy_uabi_to_xstate(struct fpstate *fpstate, const void *kbuf,  in copy_uabi_to_xstate()  argument
1206 	struct xregs_state *xsave = &fpstate->regs.xsave;  in copy_uabi_to_xstate()
1216 	if (validate_user_xstate_header(&hdr, fpstate))  in copy_uabi_to_xstate()
1271 int copy_uabi_from_kernel_to_xstate(struct fpstate *fpstate, const void *kbuf)  in copy_uabi_from_kernel_to_xstate()  argument
1273 	return copy_uabi_to_xstate(fpstate, kbuf, NULL);  in copy_uabi_from_kernel_to_xstate()
1281 int copy_sigframe_from_user_to_xstate(struct fpstate *fpstate,  in copy_sigframe_from_user_to_xstate()  argument
1284 	return copy_uabi_to_xstate(fpstate, NULL, ubuf);  in copy_sigframe_from_user_to_xstate()
1350 void fpstate_clear_xstate_component(struct fpstate *fps, unsigned int xfeature)  in fpstate_clear_xstate_component()
1367 static bool xstate_op_valid(struct fpstate *fpstate, u64 mask, bool rstor)  in xstate_op_valid()  argument
1371 	if (fpstate->xfd == xfd)  in xstate_op_valid()
1378 	if (fpstate->xfd == current->thread.fpu.fpstate->xfd)  in xstate_op_valid()
1386 	if (fpstate == &init_fpstate)  in xstate_op_valid()
1404 	mask &= ~fpstate->xfeatures;  in xstate_op_valid()
1413 void xfd_validate_state(struct fpstate *fpstate, u64 mask, bool rstor)  in xfd_validate_state()  argument
1415 	WARN_ON_ONCE(!xstate_op_valid(fpstate, mask, rstor));  in xfd_validate_state()
1433 	if (fpu->fpstate && fpu->fpstate != &fpu->__fpstate)  in arch_initcall()
1434 		vfree(fpu->fpstate);  in arch_initcall()
1456 	struct fpstate *curfps, *newfps = NULL;  in fpstate_realloc()
1460 	fpsize = ksize + ALIGN(offsetof(struct fpstate, regs), 64);  in fpstate_realloc()
1473 	curfps = guest_fpu ? guest_fpu->fpstate : fpu->fpstate;  in fpstate_realloc()
1476 	in_use = fpu->fpstate == curfps;  in fpstate_realloc()
1506 		guest_fpu->fpstate = newfps;  in fpstate_realloc()
1509 			fpu->fpstate = newfps;  in fpstate_realloc()
1511 		fpu->fpstate = newfps;  in fpstate_realloc()
1515 		xfd_update_state(fpu->fpstate);  in fpstate_realloc()