linux-kernel - Re: vvar, gup && coredump

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Message-ID: <874mpqp0sm.fsf@redhat.com>
Date:	Thu, 12 Mar 2015 13:45:29 -0400
From:	Sergio Durigan Junior <sergiodj@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andy Lutomirski <luto@...capital.net>,
	Jan Kratochvil <jan.kratochvil@...hat.com>,
	GDB Patches <gdb-patches@...rceware.org>,
	Pedro Alves <palves@...hat.com>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: vvar, gup && coredump

On Thursday, March 12 2015, Oleg Nesterov wrote:

>> gdb will still need changes, though, right?
>
> This is up to gdb developers. To me, it should simply skip this
> VM_DONTDUMP vma.

If I understood this discussion correctly (and thanks Andy and Oleg for,
*ahem*, dumping all this useful information for us!), GDB will not need
modifications in the Linux kernel in this area.  In fact, my patch
already implements the "ignore VM_DONTDUMP mappings" part, so we're
pretty much covered.

Thanks,

-- 
Sergio
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