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Dear mailinglist, I own a Gigabyte motherboard GA 970A UD3 with IOMMU support. Since the update XSA-36 (also part of the latest debian wheezy pkg), the IO-Virtualisation does not work any more as discussed on this mailinglist [0] and [1]. I like to ask, if there is an "official" solution in sight. I''m not sure about my alternatives. How "dangerous" is the

...em with generating insert and extracts is that we can generate poor > code > %tmp16 = extractelement <4 x float> %f4b, i32 0 > %f8a = insertelement <8 x float> %f8a, float %tmp16, i32 0 > %tmp18 = extractelement <4 x float> %f4b, i32 1 > %f8c = insertelement <8 x float> %f8b, float %tmp18, i32 1 > ... > For X86, legalize will convert each insertelement to become a vector > shuffle. We are very careful in combining vector shuffles because we don't > want to produce a vector shuffle whose mask is illegal or ha...

...6, 7> The problem with generating insert and extracts is that we can generate poor code %tmp16 = extractelement <4 x float> %f4b, i32 0 %f8a = insertelement <8 x float> %f8a, float %tmp16, i32 0 %tmp18 = extractelement <4 x float> %f4b, i32 1 %f8c = insertelement <8 x float> %f8b, float %tmp18, i32 1 ... For X86, legalize will convert each insertelement to become a vector shuffle. We are very careful in combining vector shuffles because we don't want to produce a vector shuffle whose mask is illegal or hard to code ge...

Hello, since applying the patches related to XSA-36 Xen recognizes a broken IVRS ACPI table and disables I/O virtualisation. I contacted the manufacturer of the mainboard/BIOS and they want to help me by providing a patched BIOS - so far so good. However, they need details about what to fix, which I don''t know either. Could you pls. give me some hints which I can forward to the