From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Ian Campbell <Ian.Campbell@XenSource.com>
Cc: linux-kernel@vger.kernel.org,
Chuck Ebbert <76306.1226@compuserve.com>,
Zachary Amsden <zach@vmware.com>,
Jan Beulich <jbeulich@novell.com>, Andi Kleen <ak@suse.de>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH 7/8] Implement smp_processor_id() with the PDA.
Date: Thu, 31 Aug 2006 12:10:33 -0700 [thread overview]
Message-ID: <44F73429.9060101@goop.org> (raw)
In-Reply-To: <1157027758.12949.327.camel@localhost.localdomain>
Ian Campbell wrote:
> smp_processor_id() is defined for !SMP in include/linux/smp.h, I don't
> know if it would be appropriate to add early_smp_processor_id() there
> since it seems i386 specific. asm/smp.h isn't included by linux/smp.h
> when !SMP but you could add an explicit include to common.c I suppose.
>
The simple solution is to just define a !SMP version of
early_smp_processor_id(). It's i386 specific, but that's the only arch
that uses it:
diff -r 8a89489b3734 include/asm-i386/smp.h
--- a/include/asm-i386/smp.h Thu Aug 31 12:06:44 2006 -0700
+++ b/include/asm-i386/smp.h Thu Aug 31 12:07:48 2006 -0700
@@ -98,6 +98,7 @@ extern unsigned int num_processors;
#else /* CONFIG_SMP */
#define safe_smp_processor_id() 0
+#define early_smp_processor_id() 0
#define cpu_physical_id(cpu) boot_cpu_physical_apicid
#define NO_PROC_ID 0xFF /* No processor magic marker */
J
next prev parent reply other threads:[~2006-08-31 19:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-30 23:52 [PATCH 0/8] Implement per-processor data areas for i386 Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 1/8] Use asm-offsets for the offsets of registers into the pt_regs struct, rather than having hard-coded constants Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 2/8] Basic definitions for i386-pda Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 3/8] Initialize the per-CPU data area Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 4/8] Use %gs as the PDA base-segment in the kernel Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 5/8] Fix places where using %gs changes the usermode ABI Jeremy Fitzhardinge
2006-08-31 7:11 ` Andi Kleen
2006-08-31 7:22 ` Jeremy Fitzhardinge
2006-08-31 7:36 ` Andi Kleen
2006-08-31 8:04 ` Jeremy Fitzhardinge
2006-08-31 8:13 ` Andi Kleen
2006-08-31 8:39 ` Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 6/8] Update sys_vm86 to cope with changed pt_regs and %gs usage Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 7/8] Implement smp_processor_id() with the PDA Jeremy Fitzhardinge
2006-08-31 12:35 ` Ian Campbell
2006-08-31 16:04 ` Jeremy Fitzhardinge
2006-08-31 19:10 ` Jeremy Fitzhardinge [this message]
2006-08-31 21:34 ` Ian Campbell
2006-08-31 21:39 ` Jeremy Fitzhardinge
2006-08-30 23:52 ` [PATCH 8/8] Implement "current" " Jeremy Fitzhardinge
-- strict thread matches above, loose matches on Subject: below --
2006-09-01 6:47 [PATCH 0/8] Implement per-processor data areas for i386 Jeremy Fitzhardinge
2006-09-01 6:47 ` [PATCH 7/8] Implement smp_processor_id() with the PDA Jeremy Fitzhardinge
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