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From: Jeff Epler <jepler@unpythonic.net>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Richard Weinberger <richard@nod.at>,
	Chris Zankel <chris@zankel.net>,
	Max Filippov <jcmvbkbc@gmail.com>,
	linux-xtensa@linux-xtensa.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] xtensa: Fix execdomain removal
Date: Sun, 12 Apr 2015 09:43:46 -0500	[thread overview]
Message-ID: <20150412144346.GD7215@unpythonic.net> (raw)
In-Reply-To: <1428805191-27089-1-git-send-email-linux@roeck-us.net>

On Sat, Apr 11, 2015 at 07:19:51PM -0700, Guenter Roeck wrote:
> The removal of exexdomain changes pointer offsets into the thread_info
> structure.
...
> -#define TI_EXEC_DOMAIN	 0x00000004
> -#define TI_FLAGS	 0x00000008
> +#define TI_FLAGS	 0x00000004

Hmm.  If these have to be maintained by hand, perhaps they can be
BUILD_BUG_ON'd in some appropriate C file?  e.g.,

    BUILD_BUG_ON(TI_FLAGS != offsetof(struct thread_info, flags));

Jeff

  reply	other threads:[~2015-04-12 14:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-12  2:19 [PATCH] xtensa: Fix execdomain removal Guenter Roeck
2015-04-12 14:43 ` Jeff Epler [this message]
2015-04-12 14:43   ` Jeff Epler
2015-04-12 15:00   ` Guenter Roeck
2015-04-12 15:00     ` Guenter Roeck
  -- strict thread matches above, loose matches on Subject: below --
2015-04-12 14:58 Richard Weinberger

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