Re: [PATCH 2/2] exec: replace call_usermodehelper_pipe with use ofumh init function and resolve limit

From: Oleg Nesterov
Date: Mon Mar 15 2010 - 13:41:15 EST


On 03/15, Neil Horman wrote:
>
> The first patch in this series introduced an init function to the
> call_usermodehelper api so that processes could be customized by caller.
> This patch takes advantage of that fact, by customizing the helper in
> do_coredump to create the pipe and set its core limit to one (for our
> recusrsion check). This lets us clean up the previous uglyness in the
> usermodehelper internals and factor call_usermodehelper out entirely.
> While I'm at it, we can also modify the helper setup to look for a core
> limit value of 1 rather than zero for our recursion check
>
> Signed-off-by: Neil Horman <nhorman@xxxxxxxxxxxxx>
> CC: Oleg Nesterov <oleg@xxxxxxxxxx>
> CC: Andi Kleen <andi@xxxxxxxxxxxxxx>

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>

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