This reverts an unintended change in commit 879b44b041 ("x86/fpu: add
a per-domain field to set the width of FIP/FDP"), which I had done
intermediately while fixing the build issue: After having reverted that
adjustment I must have forgotten to "git add" the adjustment.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/arch/x86/xstate.c
+++ b/xen/arch/x86/xstate.c
@@ -292,7 +292,7 @@ void xsave(struct vcpu *v, uint64_t mask)
XSAVE("0x48,");
- if ( !(ptr->xsave_hdr.xstate_bv & XSTATE_FP) ||
+ if ( !(mask & ptr->xsave_hdr.xstate_bv & XSTATE_FP) ||
/*
* AMD CPUs don't save/restore FDP/FIP/FOP unless an exception
* is pending.
x86/xstate: undo bogus adjustment to xsave()
This reverts an unintended change in commit 879b44b041 ("x86/fpu: add
a per-domain field to set the width of FIP/FDP"), which I had done
intermediately while fixing the build issue: After having reverted that
adjustment I must have forgotten to "git add" the adjustment.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/arch/x86/xstate.c
+++ b/xen/arch/x86/xstate.c
@@ -292,7 +292,7 @@ void xsave(struct vcpu *v, uint64_t mask)
XSAVE("0x48,");
- if ( !(ptr->xsave_hdr.xstate_bv & XSTATE_FP) ||
+ if ( !(mask & ptr->xsave_hdr.xstate_bv & XSTATE_FP) ||
/*
* AMD CPUs don't save/restore FDP/FIP/FOP unless an exception
* is pending.
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