From: William Lee Irwin III <wli@holomorphy.com>
To: Andrew Morton <akpm@osdl.org>
Cc: piet@www.piet.net, schlicht@uni-mannheim.de,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: 2.5.74-mm3 - apm_save_cpus() Macro still bombs out
Date: Thu, 10 Jul 2003 00:59:27 -0700 [thread overview]
Message-ID: <20030710075927.GS15452@holomorphy.com> (raw)
In-Reply-To: <20030710001853.5a3597b7.akpm@osdl.org>
William Lee Irwin III <wli@holomorphy.com> wrote:
>> -#define apm_save_cpus() 0
>> +#define apm_save_cpus() ({ cpumask_t __mask__ = CPU_MASK_NONE; __mask__; })
On Thu, Jul 10, 2003 at 12:18:53AM -0700, Andrew Morton wrote:
> Taking a look at what the APM code is actually doing, I think using
> current->cpus_allowed just more sense in here.
> Not that it matters at all.
Going beyond pure substitution:
diff -prauN mm3-2.5.74-1/arch/i386/kernel/apm.c mm3-2.5.74-apm-1/arch/i386/kernel/apm.c
--- mm3-2.5.74-1/arch/i386/kernel/apm.c 2003-07-09 00:03:25.000000000 -0700
+++ mm3-2.5.74-apm-1/arch/i386/kernel/apm.c 2003-07-10 00:53:51.000000000 -0700
@@ -506,8 +506,6 @@ static void apm_error(char *str, int err
* Lock APM functionality to physical CPU 0
*/
-#ifdef CONFIG_SMP
-
static cpumask_t apm_save_cpus(void)
{
cpumask_t x = current->cpus_allowed;
@@ -522,17 +520,6 @@ static inline void apm_restore_cpus(cpum
set_cpus_allowed(current, mask);
}
-#else
-
-/*
- * No CPU lockdown needed on a uniprocessor
- */
-
-#define apm_save_cpus() 0
-#define apm_restore_cpus(x) (void)(x)
-
-#endif
-
/*
* These are the actual BIOS calls. Depending on APM_ZERO_SEGS and
* apm_info.allow_ints, we are being really paranoid here! Not only
next prev parent reply other threads:[~2003-07-10 7:44 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-09 5:35 2.5.74-mm3 Andrew Morton
2003-07-09 9:05 ` 2.5.74-mm3 Thomas Schlichter
2003-07-09 9:18 ` 2.5.74-mm3 Andrew Morton
2003-07-09 9:25 ` 2.5.74-mm3 Thomas Schlichter
2003-07-09 9:38 ` 2.5.74-mm3 Marc-Christian Petersen
2003-07-09 11:23 ` 2.5.74-mm3 Jan De Luyck
2003-07-09 13:23 ` 2.5.74-mm3 Ramón Rey Vicente
2003-07-10 5:44 ` 2.5.74-mm3 - apm_save_cpus() Macro still bombs out Piet Delaney
2003-07-10 6:08 ` William Lee Irwin III
2003-07-10 7:10 ` William Lee Irwin III
2003-07-10 7:18 ` Andrew Morton
2003-07-10 7:59 ` William Lee Irwin III [this message]
2003-07-10 4:09 ` hptraid.o -- No array found? Seth Chromick
2003-07-10 12:20 ` Alan Cox
2003-07-10 8:15 ` 2.5.74-mm3 - module-init-tools: necessary to replace root copies? Piet Delaney
2003-07-10 8:15 ` Piet Delaney
2003-07-10 8:23 ` Andrew Morton
2003-07-10 9:22 ` 2.5.74-mm3 - apm_save_cpus() Macro still bombs out Thomas Schlichter
2003-07-10 9:27 ` William Lee Irwin III
2003-07-10 9:42 ` Thomas Schlichter
2003-07-10 9:48 ` William Lee Irwin III
2003-07-10 9:59 ` Thomas Schlichter
2003-07-10 10:30 ` William Lee Irwin III
2003-07-10 10:49 ` Thomas Schlichter
2003-07-11 14:56 ` Matt Mackall
2003-07-09 9:24 ` 2.5.74-mm3 Matt Mackall
2003-07-09 9:29 ` 2.5.74-mm3 William Lee Irwin III
2003-07-10 18:21 ` 2.5.74-mm3 Valdis.Kletnieks
2003-07-11 8:25 ` 2.5.74-mm3 Joe Thornber
2003-07-11 16:02 ` 2.5.74-mm3 Anton Blanchard
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