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(parent: e8e8b03) | patch
x86: use "R" constraint for fxsaveq/fxrstorq enforcement
authorJan Beulich <jbeulich@suse.com>
Wed, 14 Aug 2013 09:19:45 +0000 (11:19 +0200)
committerJan Beulich <jbeulich@suse.com>
Wed, 14 Aug 2013 09:19:45 +0000 (11:19 +0200)
commit78742c233c664cac6cac8405c154f82239ab6995
tree06ee3cfccb6568951d6f6a3aaf51c516c9a67d23tree | snapshot
parente8e8b030ecf916fea19639f0b6a446c1c9dbe174commit | diff
x86: use "R" constraint for fxsaveq/fxrstorq enforcement

I became aware of this constraint's (referring to all legacy registers
in one go) existence by (accidentally) noticing Linux commit 82024135
("x86-64, fpu: Simplify constraints for fxsave/fxtstor").

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
xen/arch/x86/i387.c diff | blob | history
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