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From: benh@kernel.crashing.org (Benjamin Herrenschmidt)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH linux dev-4.10 3/6] drivers/misc: Add driver for Aspeed PECI and generic PECI headers
Date: Thu, 11 Jan 2018 20:06:23 +1100	[thread overview]
Message-ID: <1515661583.31850.34.camel@kernel.crashing.org> (raw)
In-Reply-To: <20180109223126.13093-4-jae.hyun.yoo@linux.intel.com>

On Tue, 2018-01-09 at 14:31 -0800, Jae Hyun Yoo wrote:
> +struct peci_rd_ia_msr_msg {
> +       unsigned char target;
> +       unsigned char thread_id;
> +       unsigned short address;
> +       unsigned long value;
> +};

Those types are representing messages on the wire ?

In that case those types aren't suitable. For example "long" will have
a different size and alignment for 32 and 64-bit userspace. There are
size-explicit userspace types available.

Also I didn't see any endianness annotations in there. Is that expected
? IE are those wire format packets ?

Cheers,
Ben.

  parent reply	other threads:[~2018-01-11  9:06 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-09 22:31 [PATCH linux dev-4.10 0/6] Add support PECI and PECI hwmon drivers Jae Hyun Yoo
2018-01-09 22:31 ` [PATCH linux dev-4.10 1/6] Documentation: dt-bindings: Add Aspeed PECI Jae Hyun Yoo
2018-01-09 22:31 ` [PATCH linux dev-4.10 2/6] ARM: dts: aspeed: peci: " Jae Hyun Yoo
2018-01-09 22:31 ` [PATCH linux dev-4.10 3/6] drivers/misc: Add driver for Aspeed PECI and generic PECI headers Jae Hyun Yoo
2018-01-10 10:18   ` Greg KH
2018-01-10 19:32     ` Jae Hyun Yoo
2018-01-11  9:02     ` Benjamin Herrenschmidt
2018-01-11 20:33       ` Jae Hyun Yoo
2018-01-10 10:20   ` Greg KH
2018-01-10 19:34     ` Jae Hyun Yoo
2018-01-10 11:55   ` Arnd Bergmann
2018-01-10 23:11     ` Jae Hyun Yoo
2018-01-11  9:06   ` Benjamin Herrenschmidt [this message]
2018-01-11 20:42     ` Jae Hyun Yoo
2018-01-09 22:31 ` [PATCH linux dev-4.10 4/6] Documentation: dt-bindings: Add a generic PECI hwmon Jae Hyun Yoo
2018-01-10 12:20   ` Arnd Bergmann
2018-01-10 23:20     ` Jae Hyun Yoo
2018-01-09 22:31 ` [PATCH linux dev-4.10 5/6] Documentation: hwmon: " Jae Hyun Yoo
2018-01-09 22:31 ` [PATCH linux dev-4.10 6/6] drivers/hwmon: Add a driver for " Jae Hyun Yoo
2018-01-10 12:29   ` Arnd Bergmann
2018-01-10 23:45     ` Jae Hyun Yoo
2018-01-11 13:22       ` Arnd Bergmann
2018-01-11 20:49         ` Jae Hyun Yoo
2018-01-10 21:47   ` [linux, dev-4.10, " Guenter Roeck
2018-01-11 19:47     ` Jae Hyun Yoo
2018-01-11 21:40       ` Guenter Roeck
2018-01-11 22:18         ` Andrew Lunn
2018-01-11 23:14           ` Jae Hyun Yoo
2018-01-11 23:53             ` Andrew Lunn
2018-01-12  0:26               ` Jae Hyun Yoo
2018-01-11 23:03         ` Jae Hyun Yoo
2018-01-10 10:17 ` [PATCH linux dev-4.10 0/6] Add support PECI and PECI hwmon drivers Greg KH
2018-01-10 19:14   ` Jae Hyun Yoo
2018-01-10 19:17     ` Greg KH
2018-01-10 19:30       ` Jae Hyun Yoo
2018-01-10 20:27         ` Greg KH
2018-01-10 21:46           ` Jae Hyun Yoo
2018-01-11  7:30             ` Greg KH
2018-01-11  8:28               ` Joel Stanley
2018-01-11  8:41                 ` Greg KH
2018-01-11  9:17                   ` Arnd Bergmann
2018-01-11  9:21                   ` Benjamin Herrenschmidt
2018-01-11  8:56               ` Benjamin Herrenschmidt
2018-01-11  9:59                 ` Greg KH
2018-01-11 20:49                   ` Benjamin Herrenschmidt
2018-01-11 19:54                 ` Jae Hyun Yoo

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