Re: [GIT PULL] x86 fixes

From: Brian Gerst
Date: Sat Jan 16 2010 - 19:18:23 EST

On Sat, Jan 16, 2010 at 3:34 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Sat, 16 Jan 2010, Ingo Molnar wrote:
>> Cyrill Gorcunov (1):
>> Â Â Â x86: kernel_thread() -- initialize SS to a known state
> This looks bogus. Why does it do it only on x86-64?
> Either people care about SS or they don't (the answer, I suspect, is "they
> don't"). But if they care, we should do it on both 32-bit _and_ 64-bit,
> no?

32-bit doesn't care about ss or esp since it won't pop them from the
stack when returning to the same privilege level.

Brian Gerst
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