Re: [RFC] TIF_NOTIFY_RESUME, arch/*/*/*signal*.c and all such

[David Miller]

From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Date: Thu, 26 Apr 2012 09:15:19 +0200

> You need to be careful with inferior calls there. gdb likes to play games
> with the registers inside the get_signal_to_deliver call, it wants to be
> able to jump out of an interrupted system call, do its inferior call in
> the debugee and then return to the interrupted system call.
> You would have to to read, modify & restore the NEED_RESTART flag in gdb
> over an inferior call.

Right and this is what orig_ax and friends are used for on x86.
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