linux-kernel - Re: [PATCH] binfmt_misc: pass binfmt

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Message-ID: <87r1y53npd.fsf@mid.deneb.enyo.de>
Date:   Fri, 06 Mar 2020 09:13:50 +0100
From:   Florian Weimer <fw@...eb.enyo.de>
To:     YunQiang Su <syq@...ian.org>
Cc:     torvalds@...ux-foundation.org, gregkh@...uxfoundation.org,
        akpm@...ux-foundation.org, viro@...iv.linux.org.uk,
        James.Bottomley@...senpartnership.com,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-api@...r.kernel.org,
        libc-alpha@...rceware.org, Laurent Vivier <laurent@...ier.eu>
Subject: Re: [PATCH] binfmt_misc: pass binfmt_misc P flag to the interpreter

* YunQiang Su:

> +	if (bprm->interp_flags & BINPRM_FLAGS_PRESERVE_ARGV0)
> +		flags |= AT_FLAGS_PRESERVE_ARGV0;
> +	NEW_AUX_ENT(AT_FLAGS, flags);

Is it necessary to reuse AT_FLAGS?  I think it's cleaner to define a
separate AT_ tag dedicated to binfmt_misc.