Re: [RFC PATCH v2 -tip 0/4] x86: signal handler improvement

[Hiroshi Shimamoto]

H. Peter Anvin wrote:
> Hiroshi Shimamoto wrote:
>> and errors in __put_user is stored to stack.
>> At the end of function, all errors in stack are calculated. If access to user
>> space is failed, %edx is set to -EFAULT in exception handler and stored to
>> stack for later operation.
>> It seems inefficient.
>>
> 
> This is a gcc failure, and should be reported to the gcc people.

Does this gcc failure mean unnecessary storing into stack?

thanks,
Hiroshi Shimamoto

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