From: Al Viro <viro@ZenIV.linux.org.uk>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Minchan Kim <minchan@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Hugh Dickins <hughd@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Ben Herrenschmidt <benh@kernel.crashing.org>,
"linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
Christopher Li <sparse@chrisli.org>
Subject: Re: [PATCH 00/16] mm: prepare for converting vm->vm_flags to 64-bit
Date: Fri, 23 Mar 2012 01:42:51 +0000 [thread overview]
Message-ID: <20120323014251.GH6589@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20120322160944.ad06e559.akpm@linux-foundation.org>
On Thu, Mar 22, 2012 at 04:09:44PM -0700, Andrew Morton wrote:
> > Thanks. Looks like "__nocast" totally undocumented.
> > It would be nice to add something about this into Documentation/sparse.txt
>
> Yup, Chris has added this to his todo list (thanks!).
Alternatively, we could just remove the remaining instances in the kernel -
cputime_t is the only borderline reasonable one there; xfs ones should be
__bitwise and so should zd_addr_t thing (with cpu_to_le16() moved from
uses of those suckers to macro definitions). Hell knows - I suspect that
cputime_t also might've been turned into __bitwise u64, but I hadn't checked
if we ever do plain arithmetics on those...
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WARNING: multiple messages have this Message-ID (diff)
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Minchan Kim <minchan@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Hugh Dickins <hughd@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Ben Herrenschmidt <benh@kernel.crashing.org>,
"linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
Christopher Li <sparse@chrisli.org>
Subject: Re: [PATCH 00/16] mm: prepare for converting vm->vm_flags to 64-bit
Date: Fri, 23 Mar 2012 01:42:51 +0000 [thread overview]
Message-ID: <20120323014251.GH6589@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20120322160944.ad06e559.akpm@linux-foundation.org>
On Thu, Mar 22, 2012 at 04:09:44PM -0700, Andrew Morton wrote:
> > Thanks. Looks like "__nocast" totally undocumented.
> > It would be nice to add something about this into Documentation/sparse.txt
>
> Yup, Chris has added this to his todo list (thanks!).
Alternatively, we could just remove the remaining instances in the kernel -
cputime_t is the only borderline reasonable one there; xfs ones should be
__bitwise and so should zd_addr_t thing (with cpu_to_le16() moved from
uses of those suckers to macro definitions). Hell knows - I suspect that
cputime_t also might've been turned into __bitwise u64, but I hadn't checked
if we ever do plain arithmetics on those...
next prev parent reply other threads:[~2012-03-23 1:43 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-21 6:56 [PATCH 00/16] mm: prepare for converting vm->vm_flags to 64-bit Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` [PATCH 01/16] mm: introduce NR_VMA_FLAGS Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` [PATCH 02/16] mm: use vm_flags_t for vma flags Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` [PATCH 03/16] mm/shmem: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` [PATCH 04/16] mm/nommu: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 7:08 ` Greg Ungerer
2012-03-21 7:08 ` Greg Ungerer
2012-03-21 7:20 ` Konstantin Khlebnikov
2012-03-21 7:20 ` Konstantin Khlebnikov
2012-03-21 12:01 ` [PATCH v2 " Konstantin Khlebnikov
2012-03-21 12:01 ` Konstantin Khlebnikov
2012-03-23 6:47 ` Greg Ungerer
2012-03-23 6:47 ` Greg Ungerer
2012-03-21 6:56 ` [PATCH 05/16] mm/drivers: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 10:34 ` Laurent Pinchart
2012-03-21 10:34 ` Laurent Pinchart
2012-03-21 14:46 ` Greg Kroah-Hartman
2012-03-21 14:46 ` Greg Kroah-Hartman
2012-03-21 6:56 ` [PATCH 06/16] mm/x86: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:57 ` H. Peter Anvin
2012-03-21 6:57 ` H. Peter Anvin
2012-03-21 6:56 ` [PATCH 07/16] mm/arm: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-22 21:21 ` Andrew Morton
2012-03-22 21:21 ` Andrew Morton
2012-03-22 21:21 ` Andrew Morton
2012-03-21 6:56 ` [PATCH 08/16] mm/unicore32: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-27 3:38 ` Guan Xuetao
2012-03-27 3:38 ` Guan Xuetao
2012-03-27 5:58 ` Konstantin Khlebnikov
2012-03-27 5:58 ` Konstantin Khlebnikov
2012-03-27 7:50 ` Guan Xuetao
2012-03-27 7:50 ` Guan Xuetao
2012-03-21 6:56 ` [PATCH 09/16] mm/ia64: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` [PATCH 10/16] mm/powerpc: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:56 ` [PATCH 11/16] mm/s390: " Konstantin Khlebnikov
2012-03-21 6:56 ` Konstantin Khlebnikov
2012-03-21 6:57 ` [PATCH 12/16] mm/mips: " Konstantin Khlebnikov
2012-03-21 6:57 ` Konstantin Khlebnikov
2012-03-21 6:57 ` [PATCH 13/16] mm/parisc: " Konstantin Khlebnikov
2012-03-21 6:57 ` Konstantin Khlebnikov
2012-03-21 6:57 ` [PATCH 14/16] mm/score: " Konstantin Khlebnikov
2012-03-21 6:57 ` Konstantin Khlebnikov
2012-03-21 6:57 ` [PATCH 15/16] mm: cast vm_flags_t to u64 before printing Konstantin Khlebnikov
2012-03-21 6:57 ` Konstantin Khlebnikov
2012-03-21 6:57 ` [PATCH 16/16] mm: vm_flags_t strict type checking Konstantin Khlebnikov
2012-03-21 6:57 ` Konstantin Khlebnikov
2012-03-21 12:11 ` [PATCH v2 " Konstantin Khlebnikov
2012-03-21 12:11 ` Konstantin Khlebnikov
2012-03-21 10:06 ` [PATCH 00/16] mm: prepare for converting vm->vm_flags to 64-bit Minchan Kim
2012-03-21 10:06 ` Minchan Kim
2012-03-21 13:16 ` Konstantin Khlebnikov
2012-03-21 13:16 ` Konstantin Khlebnikov
2012-03-22 5:39 ` Minchan Kim
2012-03-22 5:39 ` Minchan Kim
2012-03-22 6:22 ` Benjamin Herrenschmidt
2012-03-22 6:22 ` Benjamin Herrenschmidt
2012-03-24 14:46 ` Konstantin Khlebnikov
2012-03-24 14:46 ` Konstantin Khlebnikov
2012-03-24 15:00 ` Konstantin Khlebnikov
2012-03-24 15:00 ` Konstantin Khlebnikov
2012-03-24 23:50 ` Benjamin Herrenschmidt
2012-03-24 23:50 ` Benjamin Herrenschmidt
2012-03-25 7:55 ` Konstantin Khlebnikov
2012-03-25 7:55 ` Konstantin Khlebnikov
2012-03-22 21:26 ` Andrew Morton
2012-03-22 21:26 ` Andrew Morton
2012-03-22 21:28 ` Al Viro
2012-03-22 21:28 ` Al Viro
2012-03-22 21:41 ` Andrew Morton
2012-03-22 21:41 ` Andrew Morton
2012-03-22 21:57 ` Al Viro
2012-03-22 21:57 ` Al Viro
2012-03-22 22:05 ` Konstantin Khlebnikov
2012-03-22 22:05 ` Konstantin Khlebnikov
2012-03-22 22:24 ` Konstantin Khlebnikov
2012-03-22 22:24 ` Konstantin Khlebnikov
2012-03-22 22:39 ` Linus Torvalds
2012-03-22 22:39 ` Linus Torvalds
2012-03-22 22:52 ` Konstantin Khlebnikov
2012-03-22 22:52 ` Konstantin Khlebnikov
2012-03-22 23:09 ` Andrew Morton
2012-03-22 23:09 ` Andrew Morton
2012-03-23 1:42 ` Al Viro [this message]
2012-03-23 1:42 ` Al Viro
2012-03-22 22:08 ` Linus Torvalds
2012-03-22 22:08 ` Linus Torvalds
2012-03-23 16:19 ` KOSAKI Motohiro
2012-03-23 16:19 ` KOSAKI Motohiro
2012-03-30 2:19 ` Al Viro
2012-03-30 2:19 ` Al Viro
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