From: Oleg Nesterov <[email protected]>
Date: Tue, 17 Jul 2007 21:15:35 +0400
> Also, sparc does something strange with do_sigaltstack(). It first copies
> stack_t to the local variable, then sets KERNEL_DS to access it from
> do_sigaltstack().
>
> IOW, what's wrong with the patch below? Why should we ignore errors other
> than -EFAULT?
Nothing wrong with it.
The code is this way because it was simply copied over from
the signal32.c implementation which has to translate around
the 32-bit types into the 64-bit ones the kernel wants.
But since the 64-bit side doesn't need the translations,
it doesn't need to do the funny do_sigaltstack() call sequence
either.
I'll apply your patch, thanks!
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