Messages in this thread | | | Date | Thu, 11 Feb 2010 06:56:59 -0800 | From | "H. Peter Anvin" <> | Subject | Re: mtrr cleanup not doing anything on 2.6.33-rc7 |
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On 02/11/2010 02:10 AM, Carlos R. Mafra wrote: > [Add people in that commit to Cc: list, just in case] > > On Mi 10.Feb'10 at 20:48:49 -0500, Alexander Lam wrote: >> On Wed, Feb 10, 2010 at 3:02 PM, Alexander Lam <lambchop468@gmail.com> wrote: >>> >>> My kernel config has the following: >>> CONFIG_MTRR=y >>> CONFIG_MTRR_SANITIZER=y >>> CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1 >>> CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1 >>> >>> With previous kernels, dmesg would show that the sanitizer was indeed >>> cleaning up the mtrrs [1] >>> >>> but now, with 2.6.33-rc7 there is no indication that this is occuring, >> >> For those who run across this later, >> >> Found out that commit 508d85c2c6bc8cba53d2a54d9a306ad64a0a80bf, >> x86: When cleaning MTRRs, do not fold WP into UC >> >> causes mtrr cleanup not to run on my machine. >> >> Probably not worth fixing because the i915 error message is harmless. >> --
You're not stating what your MTRR setup looks like, and hence if there is anything to clean up.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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