From: Peter Zijlstra <peterz@infradead.org>
To: mingo@kernel.org, will@kernel.org, tglx@linutronix.de
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
a.darwish@linutronix.de, rostedt@goodmis.org,
bigeasy@linutronix.de, peterz@infradead.org, davem@davemloft.net,
sparclinux@vger.kernel.org, mpe@ellerman.id.au,
linuxppc-dev@lists.ozlabs.org, heiko.carstens@de.ibm.com,
linux-s390@vger.kernel.org
Subject: [RFC][PATCH v3 1/5] sparc64: Fix asm/percpu.h build error
Date: Fri, 29 May 2020 23:35:51 +0200 [thread overview]
Message-ID: <20200529214203.673108357@infradead.org> (raw)
In-Reply-To: 20200529213550.683440625@infradead.org
In order to break a header dependency between lockdep and task_struct,
I need per-cpu stuff from lockdep.
Including <asm/percpu.h> from lockdep.h gives a build error, this
patch cures that, but results in the following warning:
../arch/sparc/include/asm/percpu_64.h:7:24: warning: call-clobbered register used for global register variable
register unsigned long __local_per_cpu_offset asm("g5");
But i've no idea how to fix that :/ but it does build.
Not-Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/sparc/include/asm/trap_block.h | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/sparc/include/asm/trap_block.h
+++ b/arch/sparc/include/asm/trap_block.h
@@ -2,6 +2,8 @@
#ifndef _SPARC_TRAP_BLOCK_H
#define _SPARC_TRAP_BLOCK_H
+#include <linux/threads.h>
+
#include <asm/hypervisor.h>
#include <asm/asi.h>
next prev parent reply other threads:[~2020-05-29 21:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-29 21:35 [PATCH v3 0/5] lockdep: Change IRQ state tracking to use per-cpu variables Peter Zijlstra
2020-05-29 21:35 ` Peter Zijlstra [this message]
2020-05-29 23:29 ` [RFC][PATCH v3 1/5] sparc64: Fix asm/percpu.h build error David Miller
2020-06-04 16:57 ` Peter Zijlstra
2020-06-04 20:41 ` Peter Zijlstra
2020-05-29 21:35 ` [PATCH v3 2/5] powerpc64: Break asm/percpu.h vs spinlock_types.h dependency Peter Zijlstra
2020-05-29 21:35 ` [PATCH v3 3/5] s390: Break cyclic percpu include Peter Zijlstra
2020-05-29 21:35 ` [PATCH v3 4/5] lockdep: Change hardirq{s_enabled,_context} to per-cpu variables Peter Zijlstra
2020-05-29 21:35 ` [PATCH v3 5/5] lockdep: Remove lockdep_hardirq{s_enabled,_context}() argument Peter Zijlstra
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