From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Cc: geert.uytterhoeven-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
michal.simek-g5w7nrANp4BDPfheJLI6IQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Removing __kernel_old_uid_t, git_t, dev_t
Date: Tue, 31 Mar 2009 02:26:26 +0200 [thread overview]
Message-ID: <200903310226.27480.arnd@arndb.de> (raw)
In-Reply-To: <20090330.141156.62568451.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
On Monday 30 March 2009, David Miller wrote:
> There is no reason to use anything larger than a 32-bit DMA address
> type on sparc64, and using 32-bit saves lots of space in many
> data structures so I am unlikely to ever change this. :-)
Ok, fair enough. So I'll change my asm-generic/types.h to use
#ifndef dma_addr_t
#ifdef CONFIG_PHYS_ADDR_T_64BIT
typedef u64 dma_addr_t;
#else
typedef u32 dma_addr_t;
#endif /* CONFIG_PHYS_ADDR_T_64BIT */
#endif /* dma_addr_t */
If you eventually want to use the the generic version, you
just need to add
#define dma_addr_t dma_addr_t
before the #include. Or you just ignore the asm-generic version
and don't have to do anything.
Arnd <><
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WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: David Miller <davem@davemloft.net>
Cc: geert.uytterhoeven@gmail.com, michal.simek@petalogix.com,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-api@vger.kernel.org
Subject: Re: Removing __kernel_old_uid_t, git_t, dev_t
Date: Tue, 31 Mar 2009 02:26:26 +0200 [thread overview]
Message-ID: <200903310226.27480.arnd@arndb.de> (raw)
Message-ID: <20090331002626.oHvtIqhWyeH5ngRN2khiD-4P9cHIyL9-mAGvecP2mg0@z> (raw)
In-Reply-To: <20090330.141156.62568451.davem@davemloft.net>
On Monday 30 March 2009, David Miller wrote:
> There is no reason to use anything larger than a 32-bit DMA address
> type on sparc64, and using 32-bit saves lots of space in many
> data structures so I am unlikely to ever change this. :-)
Ok, fair enough. So I'll change my asm-generic/types.h to use
#ifndef dma_addr_t
#ifdef CONFIG_PHYS_ADDR_T_64BIT
typedef u64 dma_addr_t;
#else
typedef u32 dma_addr_t;
#endif /* CONFIG_PHYS_ADDR_T_64BIT */
#endif /* dma_addr_t */
If you eventually want to use the the generic version, you
just need to add
#define dma_addr_t dma_addr_t
before the #include. Or you just ignore the asm-generic version
and don't have to do anything.
Arnd <><
next prev parent reply other threads:[~2009-03-31 0:26 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <49D071A8.4010703@petalogix.com>
2009-03-30 13:58 ` Removing __kernel_old_uid_t, git_t, dev_t Arnd Bergmann
2009-03-30 14:41 ` Geert Uytterhoeven
[not found] ` <10f740e80903300741h387e6342veba0ccceea6714e9-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-03-30 15:17 ` Arnd Bergmann
2009-03-30 15:17 ` Arnd Bergmann
[not found] ` <200903301717.57184.arnd-r2nGTMty4D4@public.gmane.org>
2009-03-30 21:11 ` David Miller
2009-03-30 21:11 ` David Miller
[not found] ` <20090330.141156.62568451.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2009-03-31 0:26 ` Arnd Bergmann [this message]
2009-03-31 0:26 ` Arnd Bergmann
2009-04-01 14:11 ` [RFC] asm-generic/{unistd,types,posix_types}.h for new arch Arnd Bergmann
2009-04-01 14:11 ` Arnd Bergmann
[not found] ` <200904011611.53355.arnd-r2nGTMty4D4@public.gmane.org>
2009-04-01 14:39 ` Will Newton
2009-04-01 14:39 ` Will Newton
2009-04-01 15:04 ` Arnd Bergmann
2009-04-01 15:04 ` Arnd Bergmann
2009-04-01 21:20 ` H. Peter Anvin
2009-04-01 21:32 ` Roland McGrath
[not found] ` <20090401213219.7B324FC3AB-nL1rrgvulkc2UH6IwYuUx0EOCMrvLtNR@public.gmane.org>
2009-04-02 13:06 ` Arnd Bergmann
2009-04-02 13:06 ` Arnd Bergmann
2009-04-01 17:55 ` Arnd Bergmann
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