Re: switch_to comment update
Linus Torvalds (torvalds@transmeta.com)
Mon, 16 Aug 1999 23:43:44 -0700 (PDT)
On Tue, 17 Aug 1999, Andrea Arcangeli wrote:
>
> BTW, which is the reason we continue to reload the stack pointer address
> in the TS structure? To let know the kernel which stack pointer to use
> while entering the kernel, right?
Indeed. If we didn't do that, the CPU wouldn't know what value to give esp
on system calls and faults from user mode.
Linus
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