Re: [patch 03/18] Dont leak NT bit into next task

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From: Chuck Ebbert

Subject: Re: [patch 03/18] Dont leak NT bit into next task

Date: Wednesday, February 21, 2007 - 10:20 am

Giuseppe Bilotta wrote:
quoted text> On Wednesday 21 February 2007 02:49, Greg KH wrote:
> 
>>  /* frame pointer must be last for get_wchan */
>> -#define SAVE_CONTEXT    "pushq %%rbp ; movq %%rsi,%%rbp\n\t"
>> -#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp\n\t"
>> +#define SAVE_CONTEXT    "pushf ; pushq %%rbp ; movq %%rsi,%%rbp\n\t"
>> +#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp ; popf\t"
> 
> No idea if this is a problem or not, but you forgot a \n after popf.
> 

It's that way in 2.6.21-rc1.
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Messages in current thread:

Re: [patch 03/18] Dont leak NT bit into next task, Giuseppe Bilotta, (Wed Feb 21, 3:00 am)

Re: [patch 03/18] Dont leak NT bit into next task, Jan Engelhardt, (Wed Feb 21, 10:14 am)

Re: [patch 03/18] Dont leak NT bit into next task, Chuck Ebbert, (Wed Feb 21, 10:20 am)

Re: [patch 03/18] Dont leak NT bit into next task, Adrian Bunk, (Thu Feb 22, 8:29 am)

Re: [patch 03/18] Dont leak NT bit into next task, Andi Kleen, (Thu Feb 22, 9:56 am)


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