RE: [PATCH] x86, bts: fix build error

From: Metzger, Markus T
Date: Fri Dec 12 2008 - 03:48:03 EST


>-----Original Message-----
>From: Ingo Molnar [mailto:mingo@xxxxxxx]
>Sent: Freitag, 12. Dezember 2008 08:23
>To: Metzger, Markus T

>i fixed a build failure via the commit below - but the
>recursion in that
>code is really nasty. Could you please clean it all up to plain flat
>code?

Sure.

How could I find those things myself?
Gcc 4.3.0 does not even give a warning for a defconfig build. Is there a config option I should set?


thanks,
markus.


>
> Ingo
>
>----------------->
>From ffc2238af8431d930d2c15f16feecf1fd6d75642 Mon Sep 17 00:00:00 2001
>From: Ingo Molnar <mingo@xxxxxxx>
>Date: Fri, 12 Dec 2008 08:21:19 +0100
>Subject: [PATCH] x86, bts: fix build error
>
>Impact: build fix
>
> arch/x86/kernel/ds.c: In function 'ds_request':
> arch/x86/kernel/ds.c:236: sorry, unimplemented: inlining
>failed in call to 'ds_get_context': recursive inlining
>
>but the recursion here is scary ...
>
>Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
>---
> arch/x86/kernel/ds.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
>diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c
>index f058300..dc1e712 100644
>--- a/arch/x86/kernel/ds.c
>+++ b/arch/x86/kernel/ds.c
>@@ -232,7 +232,7 @@ static DEFINE_PER_CPU(struct ds_context *,
>system_context_array);
>
> #define system_context per_cpu(system_context_array,
>smp_processor_id())
>
>-static inline struct ds_context *ds_get_context(struct
>task_struct *task)
>+static struct ds_context *ds_get_context(struct task_struct *task)
> {
> struct ds_context **p_context =
> (task ? &task->thread.ds_ctx : &system_context);
>
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