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From: <sv...@va...> - 2013-05-07 15:47:46
|
carll 2013-05-07 16:47:35 +0100 (Tue, 07 May 2013)
New Revision: 13383
Log:
Add syscall suport for system calls sys_mbind, sys_set_mempolicy and
sys_get_mempolicy.
This patch add support for the PPC64 sytem calls:
259 - sys_mbind
260 - sys_get_mempolicy
261 - sys_set_mempolicy
This patch also adds the Add syscall 259, sys_mbind, support for the PPC32
platform.
The patch fixes bugzilla 318932.
Signed-off-by: Carl Love <ce...@us...>
---
Modified files:
trunk/coregrind/m_syswrap/syswrap-ppc32-linux.c
trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c
Modified: trunk/coregrind/m_syswrap/syswrap-ppc32-linux.c (+1 -1)
===================================================================
--- trunk/coregrind/m_syswrap/syswrap-ppc32-linux.c 2013-05-05 16:05:42 +01:00 (rev 13382)
+++ trunk/coregrind/m_syswrap/syswrap-ppc32-linux.c 2013-05-07 16:47:35 +01:00 (rev 13383)
@@ -1191,7 +1191,7 @@
/* Number 256 is reserved for sys_debug_setcontext */
/* Number 257 is reserved for vserver */
/* Number 258 is reserved for new sys_remap_file_pages */
-/* Number 259 is reserved for new sys_mbind */
+ LINX_(__NR_mbind, sys_mbind), // 259
LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 260
LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 261
Modified: trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c (+3 -3)
===================================================================
--- trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c 2013-05-05 16:05:42 +01:00 (rev 13382)
+++ trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c 2013-05-07 16:47:35 +01:00 (rev 13383)
@@ -985,10 +985,10 @@
// /* Number 256 is reserved for sys_debug_setcontext */
// /* Number 257 is reserved for vserver */
// /* 258 currently unused */
-// _____(__NR_mbind, sys_mbind), // 259
+ LINX_(__NR_mbind, sys_mbind), // 259
-// _____(__NR_get_mempolicy, sys_get_mempolicy), // 260
-// _____(__NR_set_mempolicy, sys_set_mempolicy), // 261
+ LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 260
+ LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 261
LINXY(__NR_mq_open, sys_mq_open), // 262
LINX_(__NR_mq_unlink, sys_mq_unlink), // 263
LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 264
|
|
From: Julian S. <js...@ac...> - 2013-05-07 13:19:11
|
On 05/03/2013 09:24 PM, Carl E. Love wrote: > The release dates look fine for us. We only have one thing we would > like to get into the release. It is bugzilla 318932 to add support for > a couple of system calls on PPC. Looks fine -- please commit. J |
|
From: Julian S. <js...@ac...> - 2013-05-07 13:16:44
|
On 05/03/2013 04:26 PM, Sebastian Feld wrote: > Which slowdown? Are you serious? Shouldn't valgrind first try to get > things running *correct* before trying to optimize performance? There are various places -- particularly within Memcheck's definedness tracking -- where there is a tradeoff between correctness and performance. This is not the only case. We have to choose some tradeoff between accuracy and performance which satisfies the majority of users. There are always going to be some set of users for whom this tradeoff doesn't work well, so improvements are necessary. J |
|
From: Julian S. <js...@ac...> - 2013-05-07 13:05:32
|
(changing the name of this sub-thread to reduce confusion) >>> https://bugs.kde.org/show_bug.cgi?id=318030 >> >> I looked at that before now, but didn't come to much conclusion. Personally >> I would also like ARM to benefit from that, since that's a target on which >> I run large codes on relatively low-powered hardware. > > Are you saying I should make the same change across all platforms? > > I can give it a stab, but I can only test on x86, amd64 and perhaps ARM > if the raspi doesn't strain my patience too much. Don't hack on platforms you can't test on -- that just leads to problems. If you can get amd64 and ARM working with your speedups, though, that would be great. J |