linux-kernel - Re: [PATCH 14/22] btrfs: implement btrfs

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Date:   Thu, 20 Sep 2018 16:11:54 +0200
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     dsterba@...e.cz, Jason Baron <jbaron@...mai.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 14/22] btrfs: implement btrfs_debug* in terms of helper
 macro

On 2018-09-20 15:10, David Sterba wrote:
> On Thu, Sep 20, 2018 at 12:04:36AM +0200, Rasmus Villemoes wrote:
>> First, the btrfs_debug macros open-code (one possible definition of)
>> DYNAMIC_DEBUG_BRANCH, so they don't benefit from the HAVE_JUMP_LABEL
>> optimization.
>>
>> Second, changes on x86-64 later in this series require that all struct
>> _ddebug descriptors in a translation unit use distinct identifiers.
>>
>> Using the new _dynamic_func_call_no_desc helper macro from
>> dynamic_debug.h takes care of both of these.
>>
>> Cc: linux-btrfs@...r.kernel.org
>> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
> 
> Acked-by: David Sterba <dsterba@...e.com>
> 
> Per the cover letter, I assume you'll take it through your git tree.

Thanks. I don't have a git tree feeding to -next myself, but these will
probably be routed through akpm or x86.

Rasmus