On Thu, 15 Mar 2007 09:17:22 -0400
Benjamin LaHaise [EMAIL PROTECTED] wrote:
On Thu, Mar 15, 2007 at 12:25:16AM -0700, David Miller wrote:
Could we obtain %rip relative addressing with the ELF
relocation approach I mentioned?
I think we can for some of the objects -- things like slab
From: Eric Dumazet [EMAIL PROTECTED]
Date: Thu, 15 Mar 2007 07:28:35 +0100
One problem with your patch is that all read_always() of pointers are going
to
use 3 bytes more of code, thus raising icache pressure.
48 b8 c3 08 e8 8c afmov$0x71af8ce808c3,%rax
71 00 00
instead of
David Miller a écrit :
From: Eric Dumazet [EMAIL PROTECTED]
Date: Thu, 15 Mar 2007 07:28:35 +0100
One problem with your patch is that all read_always() of pointers are going to
use 3 bytes more of code, thus raising icache pressure.
48 b8 c3 08 e8 8c afmov$0x71af8ce808c3,%rax
71 00
On Thu, Mar 15, 2007 at 12:25:16AM -0700, David Miller wrote:
Could we obtain %rip relative addressing with the ELF
relocation approach I mentioned?
I think we can for some of the objects -- things like slab caches are
good candidates if we have the initialization done at init time, which
Benjamin LaHaise [EMAIL PROTECTED] writes:
On Mon, Mar 12, 2007 at 02:08:18PM -0700, Stephen Hemminger wrote:
For Eric, mark packet type and network device watermarks
as read mostly.
The following x86-64 bits might be intersting, as they allow you to
completely eliminate the memory
On Mon, Mar 12, 2007 at 02:08:18PM -0700, Stephen Hemminger wrote:
For Eric, mark packet type and network device watermarks
as read mostly.
The following x86-64 bits might be intersting, as they allow you to
completely eliminate the memory access for run time defined constants.
Note that
From: Benjamin LaHaise [EMAIL PROTECTED]
Date: Wed, 14 Mar 2007 22:18:40 -0400
On Mon, Mar 12, 2007 at 02:08:18PM -0700, Stephen Hemminger wrote:
For Eric, mark packet type and network device watermarks
as read mostly.
The following x86-64 bits might be intersting, as they allow you to
Benjamin LaHaise a écrit :
On Mon, Mar 12, 2007 at 02:08:18PM -0700, Stephen Hemminger wrote:
For Eric, mark packet type and network device watermarks
as read mostly.
The following x86-64 bits might be intersting, as they allow you to
completely eliminate the memory access for run time
For Eric, mark packet type and network device watermarks
as read mostly.
Signed-off-by: Stephen Hemminger [EMAIL PROTECTED]
---
net/core/dev.c | 10 +-
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index 3f0c468..c82a56b 100644
---
From: Stephen Hemminger [EMAIL PROTECTED]
Date: Mon, 12 Mar 2007 14:08:18 -0700
For Eric, mark packet type and network device watermarks
as read mostly.
Signed-off-by: Stephen Hemminger [EMAIL PROTECTED]
Applied.
-
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Stephen Hemminger a écrit :
For Eric, mark packet type and network device watermarks
as read mostly.
;)
static DEFINE_SPINLOCK(ptype_lock);
-static struct list_head ptype_base[16];/* 16 way hashed list */
-static struct list_head ptype_all; /* Taps */
+static struct
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