On 10/12/2009 04:10 AM, tip-bot for Arjan van de Ven wrote: > Commit-ID: c03cb3149daed3e411657e3212d05ae27cf1a874 > Gitweb: http://git.kernel.org/tip/c03cb3149daed3e411657e3212d05ae27cf1a874 > Author: Arjan van de Ven <arjan@xxxxxxxxxxxxx> > AuthorDate: Sun, 11 Oct 2009 10:33:02 -0700 > Committer: Ingo Molnar <mingo@xxxxxxx> > CommitDate: Mon, 12 Oct 2009 13:06:57 +0200 > > x86: Relegate CONFIG_PAT and CONFIG_MTRR configurability to EMBEDDED > > MTRR and PAT support (which got added to CPUs over 10 years ago) > are no longer really optional in that more and more things are > depending on PAT just working, including various drivers and newer > versions of X. (to not even speak of MTRR) > > Having this as a regular config option just no longer makes sense. > > This patch relegates CONFIG_X86_PAT to the EMBEDDED category so > ultra-embedded can still disable it if they really need to. > Should we combine this with removing the whitelist (which is largely vestigial at this point) and replace it with a blacklist (possibly empty)? I still haven't seen any evidence that there are any CPUs which have problems, and PAT support go back all the way to Pentium III -- and page table attributes can be used all the way back to 386, it just excludes the WC type. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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