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x86/MSI-X: reduce fiddling with control register during restore
authorJan Beulich <jbeulich@suse.com>
Thu, 23 Jul 2015 08:16:03 +0000 (10:16 +0200)
committerJan Beulich <jbeulich@suse.com>
Thu, 23 Jul 2015 08:16:03 +0000 (10:16 +0200)
commit372900faf88d424136315cbd5d440fdcf22566a2
treebb93157631d147fff015c731b67680054eef4442tree
parent0dba393db07331e9cff42df10e95b67547dfdb3ecommit | diff
x86/MSI-X: reduce fiddling with control register during restore

Rather than disabling and enabling MSI-X once per vector, do it just
once per device.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
xen/arch/x86/msi.c diff | blob | blame | history
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