linux-kernel - Re: [PATCH -mm v2 2/2] coredump: add a new elf note with siginfo of the signal

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Message-Id: <20120918164103.440C22C0A4@topped-with-meat.com>
Date:	Tue, 18 Sep 2012 09:41:03 -0700 (PDT)
From:	Roland McGrath <roland@...k.frob.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Denys Vlasenko <vda.linux@...glemail.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Amerigo Wang <amwang@...hat.com>,
	"Jonathan M. Foote" <jmfoote@...t.org>,
	Pedro Alves <palves@...hat.com>
Subject: Re: [PATCH -mm v2 2/2] coredump: add a new elf note with siginfo
	of the signal

> But, somehow I forgot about compat tasks when we discussed this before.
> Perhaps the code above should do
> 
> 	if (is_compat_task())
> 		copy_siginfo_to_user32(...);
> 	else
> 		copy_siginfo_to_user(...);
> 
> ?

compat_binfmt_elf.c will define a separate copy of this code via #include.
So it just needs #define copy_siginfo_to_user copy_siginfo_to_user32 or
something like that, as the various other types and functions are handled.


Thanks,
Roland
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