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SubjectRe: [PATCH v5] x86: Enable fast strings on Intel if BIOS hasn't already
Date
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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