Re: [PATCH v2 25/29] y2038: syscalls: rename y2038 compat syscalls
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- To: Arnd Bergmann <arnd@xxxxxxxx>
- Subject: Re: [PATCH v2 25/29] y2038: syscalls: rename y2038 compat syscalls
- From: Catalin Marinas <catalin.marinas@xxxxxxx>
- Date: Fri, 25 Jan 2019 15:47:25 +0000
- Cc: y2038@xxxxxxxxxxxxxxxx, linux-api@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, mattst88@xxxxxxxxx, linux@xxxxxxxxxxxxxxx, will.deacon@xxxxxxx, tony.luck@xxxxxxxxx, fenghua.yu@xxxxxxxxx, geert@xxxxxxxxxxxxxx, monstr@xxxxxxxxx, paul.burton@xxxxxxxx, deller@xxxxxx, benh@xxxxxxxxxxxxxxxxxxx, mpe@xxxxxxxxxxxxxx, schwidefsky@xxxxxxxxxx, heiko.carstens@xxxxxxxxxx, dalias@xxxxxxxx, davem@xxxxxxxxxxxxx, luto@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, hpa@xxxxxxxxx, x86@xxxxxxxxxx, jcmvbkbc@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, deepa.kernel@xxxxxxxxx, ebiederm@xxxxxxxxxxxx, firoz.khan@xxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
- In-reply-to: <20190118161835.2259170-26-arnd@arndb.de>
- References: <20190118161835.2259170-1-arnd@arndb.de> <20190118161835.2259170-26-arnd@arndb.de>
- User-agent: Mutt/1.10.1 (2018-07-13)
On Fri, Jan 18, 2019 at 05:18:31PM +0100, Arnd Bergmann wrote:
> A lot of system calls that pass a time_t somewhere have an implementation
> using a COMPAT_SYSCALL_DEFINEx() on 64-bit architectures, and have
> been reworked so that this implementation can now be used on 32-bit
> architectures as well.
>
> The missing step is to redefine them using the regular SYSCALL_DEFINEx()
> to get them out of the compat namespace and make it possible to build them
> on 32-bit architectures.
>
> Any system call that ends in 'time' gets a '32' suffix on its name for
> that version, while the others get a '_time32' suffix, to distinguish
> them from the normal version, which takes a 64-bit time argument in the
> future.
>
> In this step, only 64-bit architectures are changed, doing this rename
> first lets us avoid touching the 32-bit architectures twice.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
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