From: Dario Faggioli <dario.faggioli@citrix.com>
To: Praveen Kumar <kpraveen.lkml@gmail.com>, xen-devel@lists.xen.org
Cc: sstabellini@kernel.org, wei.liu2@citrix.com,
George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com,
ian.jackson@eu.citrix.com, tim@xen.org, jbeulich@suse.com
Subject: Re: [PATCH 01/20] rbtree: add const qualifier to some functions
Date: Mon, 19 Jun 2017 18:39:33 +0200 [thread overview]
Message-ID: <1497890373.7405.4.camel@citrix.com> (raw)
In-Reply-To: <20170617093253.3990-2-kpraveen.lkml@gmail.com>
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On Sat, 2017-06-17 at 15:02 +0530, Praveen Kumar wrote:
> The 'rb_first()', 'rb_last()', 'rb_next()' and 'rb_prev()' calls
> take a pointer to an RB node or RB root. They do not change the
> pointed objects, so add a 'const' qualifier in order to make life
> of the users of these functions easier.
>
> Indeed, if I have my own constant pointer &const struct my_type *p,
> and I call 'rb_next(&p->rb)', I get a GCC warning:
>
> warning: passing argument 1 of ‘rb_next’ discards qualifiers from
> pointer target
> type
>
> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
> [Linux commit f4b477c47332367d35686bd2b808c2156b96d7c7]
>
> Ported to Xen.
>
> Signed-off-by: Praveen Kumar <kpraveen.lkml@gmail.com>
>
With authorship (the From: field) fixed as Jan suggested,
Reviewed-by: Dario Faggioli <dario.faggioli@citrix.com>
(The remark on the authorship applies of course to all the patches,
even if I don't explicitly state it again).
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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next prev parent reply other threads:[~2017-06-19 16:39 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-17 9:32 [PATCH v3] xen: common: rbtree: ported updates from Praveen Kumar
2017-06-17 9:32 ` [PATCH 01/20] rbtree: add const qualifier to some functions Praveen Kumar
2017-06-19 13:49 ` Jan Beulich
2017-06-19 14:09 ` Praveen Kumar
2017-06-19 14:47 ` Jan Beulich
2017-06-19 16:39 ` Dario Faggioli [this message]
2017-06-17 9:32 ` [PATCH 02/20] lib/rbtree.c: optimize rb_erase() Praveen Kumar
2017-06-19 16:41 ` Dario Faggioli
2017-06-17 9:32 ` [PATCH v2 03/20] rb_tree: reorganize code in rb_erase() for additional changes Praveen Kumar
2017-06-19 16:45 ` Dario Faggioli
2017-06-17 9:32 ` [PATCH v2 04/20] rb_tree: make clear distinction between two different cases in rb_erase() Praveen Kumar
2017-06-19 16:47 ` Dario Faggioli
2017-06-17 9:32 ` [PATCH v2 05/20] rb_tree: remove redundant if()-condition " Praveen Kumar
2017-06-19 16:53 ` Dario Faggioli
2017-06-20 7:23 ` Jan Beulich
2017-06-17 9:32 ` [PATCH v2 06/20] rbtree: empty nodes have no color Praveen Kumar
2017-06-19 17:00 ` Dario Faggioli
2017-06-17 9:32 ` [PATCH v2 07/20] rbtree: move some implementation details from rbtree.h to rbtree.c Praveen Kumar
2017-06-19 17:05 ` Dario Faggioli
2017-06-17 9:32 ` [PATCH v2 08/20] rbtree: break out of rb_insert_color loop after tree rotation Praveen Kumar
2017-06-19 17:10 ` Dario Faggioli
2017-06-17 9:32 ` [PATCH v2 09/20] rbtree: adjust root color in rb_insert_color() only when necessary Praveen Kumar
2017-06-19 17:13 ` Dario Faggioli
2017-06-20 7:26 ` Jan Beulich
2017-06-20 13:54 ` Dario Faggioli
2017-06-27 15:35 ` Praveen Kumar
2017-06-27 15:48 ` Dario Faggioli
2017-06-17 9:32 ` [PATCH v2 10/20] rbtree: low level optimizations in rb_insert_color() Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 11/20] rbtree: adjust node color in __rb_erase_color() only when necessary Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 12/20] rbtree: optimize case selection logic in __rb_erase_color() Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 13/20] rbtree: low level optimizations " Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 14/20] rbtree: coding style adjustments Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 15/20] rbtree: optimize fetching of sibling node Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 16/20] rbtree: add __rb_change_child() helper function Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 17/20] rbtree: place easiest case first in rb_erase() Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 18/20] rbtree: handle 1-child recoloring in rb_erase() instead of rb_erase_color() Praveen Kumar
2017-06-17 9:32 ` [PATCH v2 19/20] rbtree: low level optimizations in rb_erase() Praveen Kumar
2017-06-17 9:32 ` [PATCH 20/20] lib/rbtree.c: fix typo in comment of __rb_insert() Praveen Kumar
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