On 09/22/2015 01:05 PM, Thomas Gleixner wrote: > On Wed, 16 Sep 2015, Dave Hansen wrote: >> This adds the raw instructions to access PKRU as well as some >> accessor functions that correctly handle when the CPU does >> not support the instruction. We don't use them here, but >> we will use read_pkru() in the next patch. >> >> I do not see an immediate use for write_pkru(). But, we put it >> here for partity with its twin. > > So that read_pkru() doesn't feel so lonely? I can't follow that logic. I was actually using it in a few places, but it fell out of later versions of the patch. I'm happy to kill it. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>