From: Linus Walleij <linus.walleij@linaro.org>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Gustavo Padovan" <gustavo@padovan.org>,
"Christian König" <christian.koenig@amd.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Borislav Petkov" <bp@alien8.de>,
"Tony Luck" <tony.luck@intel.com>,
"James Morse" <james.morse@arm.com>,
"Robert Richter" <rric@kernel.org>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Christoph Lameter" <cl@linux.com>,
"Pekka Enberg" <penberg@kernel.org>,
"David Rientjes" <rientjes@google.com>,
"Joonsoo Kim" <iamjoonsoo.kim@lge.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Jaroslav Kysela" <perex@perex.cz>,
"Takashi Iwai" <tiwai@suse.com>,
"Linux Media Mailing List" <linux-media@vger.kernel.org>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
linaro-mm-sig@lists.linaro.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-edac@vger.kernel.org,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
netdev <netdev@vger.kernel.org>,
"Linux Memory Management List" <linux-mm@kvack.org>,
"moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER
MANAGEM..." <alsa-devel@alsa-project.org>,
"Bartosz Golaszewski" <bgolaszewski@baylibre.com>
Subject: Re: [PATCH 0/8] slab: provide and use krealloc_array()
Date: Thu, 5 Nov 2020 11:52:30 +0100 [thread overview]
Message-ID: <CACRpkdYbpOZGmWONeOQFY7DE+t2ev30DQQ-8cxrJNoK9fVVunA@mail.gmail.com> (raw)
In-Reply-To: <20201027121725.24660-1-brgl@bgdev.pl>
On Tue, Oct 27, 2020 at 1:17 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>
> Andy brought to my attention the fact that users allocating an array of
> equally sized elements should check if the size multiplication doesn't
> overflow. This is why we have helpers like kmalloc_array().
>
> However we don't have krealloc_array() equivalent and there are many
> users who do their own multiplication when calling krealloc() for arrays.
>
> This series provides krealloc_array() and uses it in a couple places.
>
> A separate series will follow adding devm_krealloc_array() which is
> needed in the xilinx adc driver.
The series:
Acked-by: Linus Walleij <linus.walleij@linaro.org>
I really like this.
Yours,
Linus Walleij
WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER
MANAGEM..." <alsa-devel@alsa-project.org>,
kvm@vger.kernel.org, "Michael S . Tsirkin" <mst@redhat.com>,
"David Airlie" <airlied@linux.ie>,
"Gustavo Padovan" <gustavo@padovan.org>,
"Jason Wang" <jasowang@redhat.com>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
"Linux Memory Management List" <linux-mm@kvack.org>,
"Christoph Lameter" <cl@linux.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"David Rientjes" <rientjes@google.com>,
virtualization@lists.linux-foundation.org,
"Linux Media Mailing List" <linux-media@vger.kernel.org>,
"Robert Richter" <rric@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
linaro-mm-sig@lists.linaro.org,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
"Borislav Petkov" <bp@alien8.de>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Joonsoo Kim" <iamjoonsoo.kim@lge.com>,
linux-edac@vger.kernel.org, "Tony Luck" <tony.luck@intel.com>,
netdev <netdev@vger.kernel.org>, "Takashi Iwai" <tiwai@suse.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Pekka Enberg" <penberg@kernel.org>,
"James Morse" <james.morse@arm.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH 0/8] slab: provide and use krealloc_array()
Date: Thu, 5 Nov 2020 11:52:30 +0100 [thread overview]
Message-ID: <CACRpkdYbpOZGmWONeOQFY7DE+t2ev30DQQ-8cxrJNoK9fVVunA@mail.gmail.com> (raw)
In-Reply-To: <20201027121725.24660-1-brgl@bgdev.pl>
On Tue, Oct 27, 2020 at 1:17 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>
> Andy brought to my attention the fact that users allocating an array of
> equally sized elements should check if the size multiplication doesn't
> overflow. This is why we have helpers like kmalloc_array().
>
> However we don't have krealloc_array() equivalent and there are many
> users who do their own multiplication when calling krealloc() for arrays.
>
> This series provides krealloc_array() and uses it in a couple places.
>
> A separate series will follow adding devm_krealloc_array() which is
> needed in the xilinx adc driver.
The series:
Acked-by: Linus Walleij <linus.walleij@linaro.org>
I really like this.
Yours,
Linus Walleij
WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER
MANAGEM..." <alsa-devel@alsa-project.org>,
kvm@vger.kernel.org, "Michael S . Tsirkin" <mst@redhat.com>,
"David Airlie" <airlied@linux.ie>,
"Gustavo Padovan" <gustavo@padovan.org>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
"Jaroslav Kysela" <perex@perex.cz>,
"Linux Memory Management List" <linux-mm@kvack.org>,
"Christoph Lameter" <cl@linux.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"David Rientjes" <rientjes@google.com>,
virtualization@lists.linux-foundation.org,
"Linux Media Mailing List" <linux-media@vger.kernel.org>,
"Robert Richter" <rric@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
linaro-mm-sig@lists.linaro.org,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
"Borislav Petkov" <bp@alien8.de>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Joonsoo Kim" <iamjoonsoo.kim@lge.com>,
linux-edac@vger.kernel.org, "Tony Luck" <tony.luck@intel.com>,
netdev <netdev@vger.kernel.org>, "Takashi Iwai" <tiwai@suse.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Pekka Enberg" <penberg@kernel.org>,
"James Morse" <james.morse@arm.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH 0/8] slab: provide and use krealloc_array()
Date: Thu, 5 Nov 2020 11:52:30 +0100 [thread overview]
Message-ID: <CACRpkdYbpOZGmWONeOQFY7DE+t2ev30DQQ-8cxrJNoK9fVVunA@mail.gmail.com> (raw)
In-Reply-To: <20201027121725.24660-1-brgl@bgdev.pl>
On Tue, Oct 27, 2020 at 1:17 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>
> Andy brought to my attention the fact that users allocating an array of
> equally sized elements should check if the size multiplication doesn't
> overflow. This is why we have helpers like kmalloc_array().
>
> However we don't have krealloc_array() equivalent and there are many
> users who do their own multiplication when calling krealloc() for arrays.
>
> This series provides krealloc_array() and uses it in a couple places.
>
> A separate series will follow adding devm_krealloc_array() which is
> needed in the xilinx adc driver.
The series:
Acked-by: Linus Walleij <linus.walleij@linaro.org>
I really like this.
Yours,
Linus Walleij
_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER
MANAGEM..." <alsa-devel@alsa-project.org>,
kvm@vger.kernel.org, "Michael S . Tsirkin" <mst@redhat.com>,
"David Airlie" <airlied@linux.ie>,
"Gustavo Padovan" <gustavo@padovan.org>,
"Jason Wang" <jasowang@redhat.com>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
"Jaroslav Kysela" <perex@perex.cz>,
"Linux Memory Management List" <linux-mm@kvack.org>,
"Christoph Lameter" <cl@linux.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"David Rientjes" <rientjes@google.com>,
virtualization@lists.linux-foundation.org,
"Linux Media Mailing List" <linux-media@vger.kernel.org>,
"Robert Richter" <rric@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
linaro-mm-sig@lists.linaro.org,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
"Borislav Petkov" <bp@alien8.de>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Joonsoo Kim" <iamjoonsoo.kim@lge.com>,
linux-edac@vger.kernel.org, "Tony Luck" <tony.luck@intel.com>,
netdev <netdev@vger.kernel.org>, "Takashi Iwai" <tiwai@suse.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Pekka Enberg" <penberg@kernel.org>,
"James Morse" <james.morse@arm.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH 0/8] slab: provide and use krealloc_array()
Date: Thu, 5 Nov 2020 11:52:30 +0100 [thread overview]
Message-ID: <CACRpkdYbpOZGmWONeOQFY7DE+t2ev30DQQ-8cxrJNoK9fVVunA@mail.gmail.com> (raw)
In-Reply-To: <20201027121725.24660-1-brgl@bgdev.pl>
On Tue, Oct 27, 2020 at 1:17 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>
> Andy brought to my attention the fact that users allocating an array of
> equally sized elements should check if the size multiplication doesn't
> overflow. This is why we have helpers like kmalloc_array().
>
> However we don't have krealloc_array() equivalent and there are many
> users who do their own multiplication when calling krealloc() for arrays.
>
> This series provides krealloc_array() and uses it in a couple places.
>
> A separate series will follow adding devm_krealloc_array() which is
> needed in the xilinx adc driver.
The series:
Acked-by: Linus Walleij <linus.walleij@linaro.org>
I really like this.
Yours,
Linus Walleij
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-11-05 10:52 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 12:17 [PATCH 0/8] slab: provide and use krealloc_array() Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` [PATCH 1/8] mm: slab: provide krealloc_array() Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 18:20 ` Vlastimil Babka
2020-10-27 18:20 ` Vlastimil Babka
2020-10-27 18:20 ` Vlastimil Babka
2020-10-27 18:20 ` Vlastimil Babka
2020-10-28 8:47 ` Mike Rapoport
2020-10-28 8:47 ` Mike Rapoport
2020-10-28 8:47 ` Mike Rapoport
2020-10-27 12:17 ` [PATCH 2/8] ALSA: pcm: use krealloc_array() Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:39 ` Takashi Iwai
2020-10-27 12:39 ` Takashi Iwai
2020-10-27 12:39 ` Takashi Iwai
2020-10-27 12:17 ` [PATCH 3/8] vhost: vringh: " Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 15:28 ` Michael S. Tsirkin
2020-10-27 15:28 ` Michael S. Tsirkin
2020-10-27 15:28 ` Michael S. Tsirkin
2020-10-27 15:28 ` Michael S. Tsirkin
2020-10-27 16:50 ` Joe Perches
2020-10-27 16:50 ` Joe Perches
2020-10-27 16:50 ` Joe Perches
2020-10-27 16:50 ` Joe Perches
2020-10-27 16:58 ` Bartosz Golaszewski
2020-10-27 16:58 ` Bartosz Golaszewski
2020-10-27 16:58 ` Bartosz Golaszewski
2020-10-27 17:08 ` Joe Perches
2020-10-27 17:08 ` Joe Perches
2020-10-27 17:08 ` Joe Perches
2020-10-27 17:08 ` Joe Perches
2020-10-27 18:00 ` Bartosz Golaszewski
2020-10-27 18:00 ` Bartosz Golaszewski
2020-10-27 18:00 ` Bartosz Golaszewski
2020-10-27 12:17 ` [PATCH 4/8] pinctrl: " Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 13:29 ` Andy Shevchenko
2020-10-27 13:58 ` Andy Shevchenko
2020-10-27 12:17 ` [PATCH 5/8] edac: ghes: " Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 18:25 ` Borislav Petkov
2020-10-27 18:25 ` Borislav Petkov
2020-10-27 18:25 ` Borislav Petkov
2020-10-27 18:25 ` Borislav Petkov
2020-10-27 12:17 ` [PATCH 6/8] drm: atomic: " Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 19:19 ` Daniel Vetter
2020-10-27 19:19 ` Daniel Vetter
2020-10-27 19:19 ` Daniel Vetter
2020-10-27 19:19 ` Daniel Vetter
2020-10-27 12:17 ` [PATCH 7/8] hwtracing: intel: " Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` [PATCH 8/8] dma-buf: " Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:17 ` Bartosz Golaszewski
2020-10-27 12:21 ` Christian König
2020-10-27 12:21 ` Christian König
2020-10-27 12:21 ` Christian König
2020-10-27 12:21 ` Christian König
2020-11-05 10:52 ` Linus Walleij [this message]
2020-11-05 10:52 ` [PATCH 0/8] slab: provide and " Linus Walleij
2020-11-05 10:52 ` Linus Walleij
2020-11-05 10:52 ` Linus Walleij
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