From: Christoph Hellwig <hch@infradead.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Jens Axboe <axboe@kernel.dk>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Borislav Petkov <bp@alien8.de>,
"David S. Miller" <davem@davemloft.net>,
linux-kernel@vger.kernel.org, y2038@lists.linaro.org,
Hannes Reinecke <hare@suse.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-block@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH 20/24] compat_ioctl: move HDIO ioctl handling into drivers/ide
Date: Thu, 12 Dec 2019 08:29:47 -0800 [thread overview]
Message-ID: <20191212162947.GC27991@infradead.org> (raw)
In-Reply-To: <20191211204306.1207817-21-arnd@arndb.de>
> +static int put_user_long(long val, unsigned long arg)
> +{
> +#ifdef CONFIG_COMPAT
> + if (in_compat_syscall())
> + return put_user(val, (compat_long_t __user *)compat_ptr(arg));
> +#endif
> + return put_user(val, (long __user *)arg);
> +}
We had this
#ifdef CONFIG_COMPAT
if (in_compat_syscall())
...
...
#endif
patter quite frequently. Can we define a in_compat_syscall stub
and make sure compat_ptr and the compat_* types are available available
to clean this up a bit?
> - if (NULL == (void *) arg) {
> + if (NULL == argp) {
if (!argp) {
?
next prev parent reply other threads:[~2019-12-12 16:29 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-11 20:42 [PATCH 00/24] block, scsi: final compat_ioctl cleanup Arnd Bergmann
2019-12-11 20:42 ` [PATCH 01/24] compat: ARM64: always include asm-generic/compat.h Arnd Bergmann
2019-12-12 10:16 ` Will Deacon
2019-12-12 10:41 ` Arnd Bergmann
2019-12-11 20:42 ` [PATCH 02/24] compat: scsi: sg: fix v3 compat read/write interface Arnd Bergmann
2019-12-12 16:25 ` Christoph Hellwig
2019-12-12 17:34 ` Arnd Bergmann
2019-12-11 20:42 ` [PATCH 03/24] compat_ioctl: block: handle BLKREPORTZONE/BLKRESETZONE Arnd Bergmann
2019-12-12 1:20 ` Damien Le Moal
2019-12-11 20:42 ` [PATCH 04/24] compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES Arnd Bergmann
2019-12-12 1:20 ` Damien Le Moal
2019-12-11 20:42 ` [PATCH 05/24] compat_ioctl: block: handle add zone open, close and finish ioctl Arnd Bergmann
2019-12-12 1:20 ` Damien Le Moal
2019-12-11 20:42 ` [PATCH 06/24] compat_ioctl: block: handle Persistent Reservations Arnd Bergmann
2019-12-11 20:42 ` [PATCH 07/24] compaT_ioctl: ubd, aoe: use blkdev_compat_ptr_ioctl Arnd Bergmann
2019-12-11 20:42 ` [PATCH 08/24] compat_ioctl: move CDROM_SEND_PACKET handling into scsi Arnd Bergmann
2019-12-11 20:42 ` [PATCH 09/24] compat_ioctl: move CDROMREADADIO to cdrom.c Arnd Bergmann
2019-12-11 20:42 ` [PATCH 10/24] compat_ioctl: cdrom: handle CDROM_LAST_WRITTEN Arnd Bergmann
2019-12-17 15:20 ` [Y2038] " Ben Hutchings
2019-12-17 21:38 ` Arnd Bergmann
2019-12-11 20:42 ` [PATCH 11/24] compat_ioctl: block: handle cdrom compat ioctl in non-cdrom drivers Arnd Bergmann
2019-12-11 20:42 ` [PATCH 12/24] compat_ioctl: add scsi_compat_ioctl Arnd Bergmann
2019-12-11 20:42 ` [PATCH 13/24] compat_ioctl: bsg: add handler Arnd Bergmann
2019-12-11 20:42 ` [PATCH 14/24] compat_ioctl: ide: floppy: " Arnd Bergmann
2019-12-11 20:42 ` [PATCH 15/24] compat_ioctl: scsi: move ioctl handling into drivers Arnd Bergmann
2019-12-11 23:05 ` Michael S. Tsirkin
2019-12-12 0:28 ` Paolo Bonzini
2019-12-12 9:17 ` Arnd Bergmann
2019-12-12 10:27 ` Michael S. Tsirkin
2019-12-12 16:27 ` Christoph Hellwig
2019-12-12 16:35 ` Jens Axboe
2019-12-12 10:25 ` Michael S. Tsirkin
2019-12-11 20:42 ` [PATCH 16/24] compat_ioctl: move sys_compat_ioctl() to ioctl.c Arnd Bergmann
2019-12-11 20:42 ` [PATCH 17/24] compat_ioctl: simplify the implementation Arnd Bergmann
2019-12-11 20:42 ` [PATCH 18/24] compat_ioctl: move cdrom commands into cdrom.c Arnd Bergmann
2019-12-11 20:42 ` [PATCH 19/24] compat_ioctl: scsi: handle HDIO commands from drivers Arnd Bergmann
2019-12-11 20:42 ` [PATCH 20/24] compat_ioctl: move HDIO ioctl handling into drivers/ide Arnd Bergmann
2019-12-12 16:29 ` Christoph Hellwig [this message]
2019-12-12 17:21 ` Arnd Bergmann
2019-12-11 20:42 ` [PATCH 21/24] compat_ioctl: block: move blkdev_compat_ioctl() into ioctl.c Arnd Bergmann
2019-12-12 16:30 ` Christoph Hellwig
2019-12-12 17:24 ` Arnd Bergmann
2019-12-11 20:42 ` [PATCH 22/24] compat_ioctl: block: simplify compat_blkpg_ioctl() Arnd Bergmann
2019-12-11 20:42 ` [PATCH 23/24] compat_ioctl: simplify up block/ioctl.c Arnd Bergmann
2019-12-11 20:42 ` [PATCH 24/24] Documentation: document ioctl interfaces better Arnd Bergmann
2019-12-11 21:05 ` Jonathan Corbet
2019-12-12 10:56 ` Arnd Bergmann
2019-12-12 8:16 ` Geert Uytterhoeven
2019-12-12 11:04 ` Arnd Bergmann
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