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Re: [PATCH] modules: Take a shortcut for checking if an address is in a module
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From:
Rusty Russell <rusty@...>
To: Arjan van de Ven <arjan@...>
Cc: <mingo@...>, <linux-kernel@...>
Subject:
Re: [PATCH] modules: Take a shortcut for checking if an address is in a module
Date: Wednesday, June 11, 2008 - 7:12 am
On Wednesday 11 June 2008 06:05:19 Arjan van de Ven wrote:
quoted text
> From: Arjan van de Ven <arjan@linux.intel.com> > Subject: [PATCH] modules: Take a shortcut for checking if an address is in > a module > > Various pieces of the kernel (lockdep, latencytop, etc) tend to store > backtraces, sometimes at a relatively high frequency. In itself this > isn't a big performance deal (after all you're using diagnostics features), > but there have been some complaints from people who have over 100 modules > loaded that this is a tad too slow.
Nothing wrong with the idea, but how about a nice arch_maybe_module_addr() macro rather than ifdefs in module.c? Thanks, Rusty. --
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Messages in current thread:
[PATCH] modules: Take a shortcut for checking if an address ...
, Arjan van de Ven
, (Tue Jun 10, 4:05 pm)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Rusty Russell
, (Wed Jun 11, 7:12 am)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Arjan van de Ven
, (Wed Jun 11, 11:18 am)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Ingo Molnar
, (Wed Jun 18, 6:00 am)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Rusty Russell
, (Wed Jun 11, 8:20 pm)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Rusty Russell
, (Thu Jun 26, 1:46 am)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Ingo Molnar
, (Thu Jun 26, 7:48 am)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Vegard Nossum
, (Wed Jun 11, 2:54 pm)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Ingo Molnar
, (Wed Jun 18, 5:57 am)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Peter Zijlstra
, (Wed Jun 18, 6:24 am)
Re: [PATCH] modules: Take a shortcut for checking if an addr...
, Rusty Russell
, (Wed Jun 18, 8:27 am)
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