From: Eric Blake <eblake@redhat.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
qemu-devel@nongnu.org
Cc: "Fam Zheng" <fam@euphon.net>,
"Dmitry Fleytman" <dmitry.fleytman@gmail.com>,
kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Matthew Rosato" <mjrosato@linux.ibm.com>,
qemu-block@nongnu.org, "David Hildenbrand" <david@redhat.com>,
"Halil Pasic" <pasic@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@de.ibm.com>,
"Hervé Poussineau" <hpoussin@reactos.org>,
"Anthony Perard" <anthony.perard@citrix.com>,
xen-devel@lists.xenproject.org,
"Aleksandar Rikalo" <aleksandar.rikalo@rt-rk.com>,
"Richard Henderson" <rth@twiddle.net>,
"Laurent Vivier" <lvivier@redhat.com>,
"Thomas Huth" <thuth@redhat.com>,
"Eduardo Habkost" <ehabkost@redhat.com>,
"Stefan Weil" <sw@weilnetz.de>,
"Alistair Francis" <alistair@alistair23.me>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Paul Durrant" <paul@xen.org>,
"Eric Auger" <eric.auger@redhat.com>,
qemu-s390x@nongnu.org, qemu-arm@nongnu.org,
"Cédric Le Goater" <clg@kaod.org>, "John Snow" <jsnow@redhat.com>,
"David Gibson" <david@gibson.dropbear.id.au>,
"Igor Mitsyanko" <i.mitsyanko@gmail.com>,
"Cornelia Huck" <cohuck@redhat.com>,
"Michael Walle" <michael@walle.cc>,
qemu-ppc@nongnu.org, "Paolo Bonzini" <pbonzini@redhat.com>
Subject: Re: [PATCH v3 02/20] hw: Remove unnecessary cast when calling dma_memory_read()
Date: Thu, 20 Feb 2020 07:16:27 -0600 [thread overview]
Message-ID: <68120807-6f6b-1602-8208-fd76d64e74bc@redhat.com> (raw)
In-Reply-To: <20200220130548.29974-3-philmd@redhat.com>
On 2/20/20 7:05 AM, Philippe Mathieu-Daudé wrote:
> Since its introduction in commit d86a77f8abb, dma_memory_read()
> always accepted void pointer argument. Remove the unnecessary
> casts.
>
> This commit was produced with the included Coccinelle script
> scripts/coccinelle/exec_rw_const.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> scripts/coccinelle/exec_rw_const.cocci | 15 +++++++++++++++
> hw/arm/smmu-common.c | 3 +--
> hw/arm/smmuv3.c | 10 ++++------
> hw/sd/sdhci.c | 15 +++++----------
> 4 files changed, 25 insertions(+), 18 deletions(-)
> create mode 100644 scripts/coccinelle/exec_rw_const.cocci
>
> diff --git a/scripts/coccinelle/exec_rw_const.cocci b/scripts/coccinelle/exec_rw_const.cocci
> new file mode 100644
> index 0000000000..a0054f009d
> --- /dev/null
> +++ b/scripts/coccinelle/exec_rw_const.cocci
> @@ -0,0 +1,15 @@
> +// Usage:
> +// spatch --sp-file scripts/coccinelle/exec_rw_const.cocci --dir . --in-place
This command line should also use '--macro-file
scripts/cocci-macro-file.h' to cover more of the code base (Coccinelle
skips portions of the code that uses macros it doesn't recognize).
> @@ -726,13 +724,10 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr)
> }
> break;
> case SDHC_CTRL_ADMA2_64:
> - dma_memory_read(s->dma_as, entry_addr,
> - (uint8_t *)(&dscr->attr), 1);
> - dma_memory_read(s->dma_as, entry_addr + 2,
> - (uint8_t *)(&dscr->length), 2);
> + dma_memory_read(s->dma_as, entry_addr, (&dscr->attr), 1);
> + dma_memory_read(s->dma_as, entry_addr + 2, (&dscr->length), 2);
The () around &dscr->length are now pointless.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2020-02-20 13:16 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-20 13:05 [PATCH v3 00/20] global exec/memory/dma APIs cleanup Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 01/20] scripts/git.orderfile: Display Cocci scripts before code modifications Philippe Mathieu-Daudé
2020-02-20 13:10 ` Laurent Vivier
2020-02-20 13:12 ` Eric Blake
2020-02-20 20:36 ` Michael S. Tsirkin
2020-02-20 13:05 ` [PATCH v3 02/20] hw: Remove unnecessary cast when calling dma_memory_read() Philippe Mathieu-Daudé
2020-02-20 13:16 ` Eric Blake [this message]
2020-02-20 13:43 ` Philippe Mathieu-Daudé
2020-02-20 13:51 ` Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 03/20] exec: Let qemu_ram_*() functions take a const pointer argument Philippe Mathieu-Daudé
2020-02-20 13:21 ` Paolo Bonzini
2020-02-20 13:23 ` Philippe Mathieu-Daudé
2020-02-20 13:56 ` [Xen-devel] " Durrant, Paul
2020-02-20 13:05 ` [PATCH v3 04/20] exec: Rename ram_ptr variable Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 05/20] exec: Let flatview API take void pointer arguments Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 06/20] exec: Let the address_space API use " Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 07/20] hw/net: Avoid casting non-const pointer, use address_space_write() Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 08/20] Remove unnecessary cast when using the address_space API Philippe Mathieu-Daudé
2020-02-21 8:38 ` Cornelia Huck
2020-02-20 13:05 ` [PATCH v3 09/20] exec: Let the cpu_[physical]_memory API use void pointer arguments Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 10/20] Remove unnecessary cast when using the cpu_[physical]_memory API Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 11/20] hw/ide/internal: Remove unused DMARestartFunc typedef Philippe Mathieu-Daudé
2020-03-05 0:36 ` John Snow
2020-02-20 13:05 ` [PATCH v3 12/20] hw/ide: Let the DMAIntFunc prototype use a boolean 'is_write' argument Philippe Mathieu-Daudé
2020-03-05 0:37 ` John Snow
2020-02-20 13:05 ` [PATCH v3 13/20] hw/virtio: Let virtqueue_map_iovec() " Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 14/20] hw/virtio: Let vhost_memory_map() " Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 15/20] exec: Let address_space_unmap() " Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 16/20] Let address_space_rw() calls pass " Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 17/20] Avoid address_space_rw() with a constant is_write argument Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 18/20] exec: Let cpu_[physical]_memory API use a boolean 'is_write' argument Philippe Mathieu-Daudé
2020-02-20 13:05 ` [PATCH v3 19/20] Let cpu_[physical]_memory() calls pass " Philippe Mathieu-Daudé
2020-02-20 13:54 ` [Xen-devel] " Durrant, Paul
2020-02-20 21:46 ` David Gibson
2020-02-21 8:41 ` Cornelia Huck
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