Messages in this thread | | | Date | Thu, 25 Feb 2016 13:07:15 -0800 | From | Yu-cheng Yu <> | Subject | Re: [PATCH v2 0/9] x86/xsaves: Fix XSAVES known issues |
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On Thu, Feb 25, 2016 at 12:57:28PM -0800, Dave Hansen wrote: > On 02/25/2016 12:26 PM, Yu-cheng Yu wrote: > > Patch 9 re-enables XSAVES. > > Could we also add one more thing to this: A big, fat warning that > supervisor states are not supported? We might get that from an eventual > use of xfeature_uncompacted_offset(), but we need something that's very > clear. > > I just don't want somebody coming along and shoving a supervisor state > in to XCR0 and expecting it to work just because we have XSAVES support > itself. That might happen in-tree or out-of-tree as things get prototyped.
I will do that.
Yu-cheng
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