Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH v5] x86: Enable fast strings on Intel if BIOS hasn't already | Date | Wed, 01 May 2013 09:51:32 -0700 |
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Theodore Ts'o <tytso@mit.edu> writes: > > In fact, there is the question of whether we should be checking to see > if the CPU stepping is one of the ones with the bug, and if so, to > have Linux disable fast strings even if the BIOS didn't, instead of > blindly enabling fast strings....
Crossing pages with different memory attributes shouldn't happen in normal operation. I wouldn't be too concerned about that one.
I would suggest to leave the bit alone. There may be valid reasons on the system to either set or not set it, which the kernel doesn't necessarily know.
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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