From: "H. Peter Anvin" <hpa@zytor.com>
To: Mike Frysinger <vapier@gentoo.org>
Cc: "H.J. Lu" <hjl.tools@gmail.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
torvalds@linux-foundation.org, mingo@kernel.org,
tglx@linutronix.de
Subject: Re: [RFC PATCH 00/10] Use __kernel_[u]long_t for x32 user space compatibility
Date: Thu, 17 May 2012 17:21:34 -0700 [thread overview]
Message-ID: <4FB5960E.6070205@zytor.com> (raw)
In-Reply-To: <201205172019.27462.vapier@gentoo.org>
On 05/17/2012 05:19 PM, Mike Frysinger wrote:
> On Thursday 17 May 2012 18:13:26 H.J. Lu wrote:
>> From: H.J. Lu <hjl.tools@gmail.com>
>>
>> This patch set changes a number of places where the kernel
>> headers are exported to user space and currently use explicit
>> "long" or "unsigned long" to use __kernel_[u]long_t in order to
>> be compatible with the x32 user space ABI. These location are
>> places where x32 uses the x86-64 ABI.
>>
>> It is quite possible that some, or even all, of these locations
>> should really use dedicated types, but in the meantime this gives
>> the correct results which the current headers do not.
>
> tangentially related, but what happened to the x86 asm/ptrace.h
> patch i sent that changed all the registers from unsigned long to
> u64 ? e.g. struct pt_regs { - unsigned long r15; + __u64 r15;
> -mike
Link please?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-05-18 0:21 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 22:13 [RFC PATCH 00/10] Use __kernel_[u]long_t for x32 user space compatibility H.J. Lu
2012-05-17 22:13 ` [PATCH 01/10] Use __kernel_long_t in struct timex H.J. Lu
2012-05-17 22:32 ` Linus Torvalds
2012-05-17 22:41 ` H. Peter Anvin
2012-05-17 22:50 ` H. Peter Anvin
2012-05-17 22:50 ` Linus Torvalds
2012-05-17 22:55 ` H. Peter Anvin
2012-05-17 22:58 ` Linus Torvalds
2012-05-17 22:56 ` Linus Torvalds
2012-05-17 22:57 ` H. Peter Anvin
2012-05-17 23:51 ` David Daney
2012-05-17 22:13 ` [PATCH 02/10] Use __kernel_ulong_t in struct shm_info H.J. Lu
2012-05-17 22:13 ` [PATCH 03/10] Use __kernel_[u]long_t in linux/resource.h H.J. Lu
2012-05-17 22:13 ` [PATCH 04/10] Use __kernel_long_t in struct msgbuf H.J. Lu
2012-05-17 22:13 ` [PATCH 05/10] Use __kernel_long_t in struct mq_attr H.J. Lu
2012-05-17 22:13 ` [PATCH 06/10] Use __kernel_ulong_t in x86 struct semid64_ds H.J. Lu
2012-05-17 22:13 ` [PATCH 07/10] Use __kernel_ulong_t in struct shmid64_ds/shminfo64 H.J. Lu
2012-05-17 22:13 ` [PATCH 08/10] Use __kernel_ulong_t in struct msqid64_ds H.J. Lu
2012-05-17 23:51 ` H. Peter Anvin
2012-05-18 0:07 ` Linus Torvalds
2012-05-18 0:14 ` H. Peter Anvin
2012-05-18 0:22 ` Linus Torvalds
2012-05-18 0:27 ` H. Peter Anvin
2012-05-18 0:41 ` Linus Torvalds
2012-05-18 11:44 ` David Howells
2012-05-18 21:31 ` Arnd Bergmann
2012-05-18 21:41 ` H. Peter Anvin
2012-05-18 21:58 ` Arnd Bergmann
2012-05-18 22:08 ` H. Peter Anvin
2012-05-19 7:56 ` Arnd Bergmann
2012-05-19 14:35 ` Al Viro
2012-05-18 0:29 ` David Daney
2012-05-18 0:31 ` H. Peter Anvin
2012-05-18 0:45 ` David Daney
2012-05-18 0:37 ` H. Peter Anvin
2012-05-18 15:03 ` Chris Metcalf
2012-05-18 15:03 ` Chris Metcalf
2012-05-18 3:21 ` H. Peter Anvin
2012-05-18 3:39 ` H.J. Lu
2012-05-18 3:43 ` H.J. Lu
2012-05-18 3:47 ` H.J. Lu
2012-05-18 3:49 ` Linus Torvalds
2012-05-18 3:55 ` H. Peter Anvin
2012-05-18 3:59 ` H.J. Lu
2012-05-18 4:05 ` Linus Torvalds
2012-05-18 4:13 ` H.J. Lu
2012-05-18 21:21 ` Arnd Bergmann
2012-05-19 23:47 ` H. Peter Anvin
2012-05-20 1:32 ` H.J. Lu
2012-05-20 2:08 ` H. Peter Anvin
2012-05-18 11:53 ` David Howells
2012-05-18 12:06 ` H.J. Lu
2012-05-18 3:56 ` H.J. Lu
2012-05-18 21:06 ` H. Peter Anvin
2012-05-17 22:13 ` [PATCH 09/10] Use __kernel_ulong_t in struct ipc64_perm H.J. Lu
2012-05-17 22:13 ` [PATCH 10/10] Use __kernel_[u]long_t in x86-64 struct stat H.J. Lu
2012-05-17 23:07 ` [RFC PATCH 00/10] Use __kernel_[u]long_t for x32 user space compatibility David Daney
2012-05-17 23:07 ` David Daney
2012-05-17 23:07 ` David Daney
2012-05-17 23:11 ` H. Peter Anvin
2012-05-17 23:25 ` David Daney
2012-05-17 23:31 ` H. Peter Anvin
2012-05-18 0:19 ` Mike Frysinger
2012-05-18 0:21 ` H. Peter Anvin [this message]
2012-05-18 0:38 ` Mike Frysinger
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