Messages in this thread | | | Date | Thu, 9 Jan 2003 15:09:45 -0500 (EST) | From | "Richard B. Johnson" <> | Subject | Re: [PATCH] Use %ebp rather than %ebx for thread_info pointer |
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On Thu, 9 Jan 2003, Luca Barbieri wrote:
> This patch changes assembly code that accesses thread_info to use %ebp > rather than %ebx. > > This allows me to take advantage of the fact that %ebp is restored by > user mode in the sysenter register pop removal patch.
If you use EBP as an index register, i.e., "movl (%ebp), %eax", it will be relative to the SS, not ES or DS. Is this what you want?
Cheers, Dick Johnson Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips). Why is the government concerned about the lunatic fringe? Think about it.
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