From: Christoph Hellwig <hch@infradead.org>
To: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, arnd@arndb.de,
y2038@lists.linaro.org
Subject: Re: [PATCH v3 5/7] time: Add struct __kernel_timex
Date: Thu, 12 Jul 2018 01:26:09 -0700 [thread overview]
Message-ID: <20180712082609.GB8802@infradead.org> (raw)
In-Reply-To: <20180707054247.19802-6-deepa.kernel@gmail.com>
I don't think this patches makes sense without the next one,
which actually uses the structure.
> +/* CONFIG_64BIT_TIME enables new 64 bit time_t syscalls in the compat path
> + * and 32-bit emulation.
> + */
Wrong comment style, also the 'compat path is the 32 (or 31 in case of
s390) bit emulation, so the comment seems rather confusing.
> +#ifndef CONFIG_64BIT_TIME
> +#define __kernel_timex timex
> +#endif
using #defines for structs has all kinds of ill effects. Why can't
we aways use __kernel_timex for the in-kernel usage?
> +#ifndef __kernel_timex
> +struct __kernel_timex {
> + unsigned int modes; /* mode selector */
> + int :32; /* pad */
Why do we need padding for a purely in-kernel structure?
Also the anonymous member syntax is rather odd and I don't remeber
us using it anywhere else. Why here?
next prev parent reply other threads:[~2018-07-12 8:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-07 5:42 [PATCH v3 0/7] Introduce " Deepa Dinamani
2018-07-07 5:42 ` [PATCH v3 1/7] arm64: Make basic compat_* types always available Deepa Dinamani
2018-07-12 8:20 ` Christoph Hellwig
2018-07-07 5:42 ` [PATCH v3 2/7] sparc: Make thread_info.h available directly Deepa Dinamani
2018-07-07 5:42 ` [PATCH v3 3/7] riscv: Delete asm/compat.h Deepa Dinamani
2018-07-12 8:14 ` Christoph Hellwig
2018-08-03 1:26 ` Palmer Dabbelt
2018-08-03 7:39 ` Christoph Hellwig
2018-08-05 21:29 ` Arnd Bergmann
2018-07-07 5:42 ` [PATCH v3 4/7] timex: prepare compat helpers for y2038 changes Deepa Dinamani
2018-07-07 5:42 ` [PATCH v3 5/7] time: Add struct __kernel_timex Deepa Dinamani
2018-07-11 9:54 ` Arnd Bergmann
2018-07-12 8:26 ` Christoph Hellwig [this message]
2018-07-12 14:53 ` Arnd Bergmann
2018-07-07 5:42 ` [PATCH v3 6/7] timex: use __kernel_timex internally Deepa Dinamani
2018-07-07 14:23 ` Richard Henderson
2018-07-12 8:27 ` Christoph Hellwig
2018-07-07 5:42 ` [PATCH v3 7/7] timex: change syscalls to use struct __kernel_timex Deepa Dinamani
2018-07-12 8:29 ` Christoph Hellwig
2018-07-12 14:40 ` Arnd Bergmann
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