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xen.10697
5708158d-x86-vMSI-X-fix-qword-write-covering-ve...
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File 5708158d-x86-vMSI-X-fix-qword-write-covering-vector-control-field.patch of Package xen.10697
# Commit 7d8519f63ab703e519efe1e8a6d8ccd65b8a803b # Date 2016-04-08 22:33:17 +0200 # Author Jan Beulich <jbeulich@suse.com> # Committer Jan Beulich <jbeulich@suse.com> x86/vMSI-X: fix qword write covering vector control field Along with using the upper 32 bits of the written value, the address also needs advancing, so that msix_write_completion() will use the correct address for re-invocation of msixtbl_write(). Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Andrew Cooper <andrew.cooper3@citrix.com> --- a/xen/arch/x86/hvm/vmsi.c +++ b/xen/arch/x86/hvm/vmsi.c @@ -323,6 +323,7 @@ static int msixtbl_write(struct vcpu *v, if ( len != 8 || !index ) goto out; val >>= 32; + address += 4; } /* Exit to device model when unmasking and address/data got modified. */
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