lkml.org 
[lkml]   [2007]   [Nov]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH] [POWERPC] Fix CONFIG_SMP=n build error on ppc64
On Sat, Nov 10, 2007 at 02:59:29PM -0600, Olof Johansson wrote:
> [POWERPC] Fix CONFIG_SMP=n build error
>
> The patch "KVM: fix !SMP build error" change the way smp_call_function()
> actually uses the passed in function names on non-SMP builds. So
> previously it was never caught that the function passed in was never
> actually defined.
>
> This causes a build error on ppc64_defconfig + CONFIG_SMP=n:
>
> arch/powerpc/mm/tlb_64.c: In function 'pgtable_free_now':
> arch/powerpc/mm/tlb_64.c:71: error: 'pte_free_smp_sync' undeclared (first use in this function)
> arch/powerpc/mm/tlb_64.c:71: error: (Each undeclared identifier is reported only once
> arch/powerpc/mm/tlb_64.c:71: error: for each function it appears in.)
>
> So we need to define it even if CONFIG_SMP is off. Either that or ifdef
> out the smp_call_function() call, but that's ugly.
Hi,

Thanks, the patch fixes the build failure.

Tested-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/powerpc/mm/tlb_64.c b/arch/powerpc/mm/tlb_64.c
index eafbca5..e2d867c 100644
--- a/arch/powerpc/mm/tlb_64.c
+++ b/arch/powerpc/mm/tlb_64.c
@@ -54,12 +54,10 @@ unsigned long pte_freelist_forced_free;
((PAGE_SIZE - sizeof(struct pte_freelist_batch)) \
/ sizeof(pgtable_free_t))

-#ifdef CONFIG_SMP
static void pte_free_smp_sync(void *arg)
{
/* Do nothing, just ensure we sync with all CPUs */
}
-#endif

/* This is only called when we are critically out of memory
* (and fail to get a page in pte_free_tlb).
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-11-11 05:39    [W:0.037 / U:0.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site