From: Peter Zijlstra <peterz@infradead.org>
To: mingo@kernel.org, linux-kernel@vger.kernel.org
Cc: will.deacon@arm.com, linux@arm.linux.org.uk, ralf@linux-mips.org,
egtvedt@samfundet.no, michael@amarulasolutions.com,
cmetcalf@ezchip.com, peterz@infradead.org
Subject: [RFC][PATCH 3/7] avr32: Remove finish_arch_switch()
Date: Wed, 29 Jul 2015 21:08:51 +0200 [thread overview]
Message-ID: <20150729191659.847539750@infradead.org> (raw)
In-Reply-To: <20150729190848.678796654@infradead.org>
[-- Attachment #1: peterz-avr32-finish_arch_switch.patch --]
[-- Type: text/plain, Size: 1016 bytes --]
Fold the tracing hook into switch_to() in order to remove
finish_arch_switch().
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/avr32/include/asm/switch_to.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/arch/avr32/include/asm/switch_to.h
+++ b/arch/avr32/include/asm/switch_to.h
@@ -15,11 +15,13 @@
*/
#ifdef CONFIG_OWNERSHIP_TRACE
#include <asm/ocd.h>
-#define finish_arch_switch(prev) \
+#define ocd_switch(prev, next) \
do { \
ocd_write(PID, prev->pid); \
- ocd_write(PID, current->pid); \
+ ocd_write(PID, next->pid); \
} while(0)
+#else
+#define ocd_switch(prev, next)
#endif
/*
@@ -38,6 +40,7 @@ extern struct task_struct *__switch_to(s
struct cpu_context *);
#define switch_to(prev, next, last) \
do { \
+ ocd_switch(prev, next); \
last = __switch_to(prev, &prev->thread.cpu_context + 1, \
&next->thread.cpu_context); \
} while (0)
next prev parent reply other threads:[~2015-07-29 19:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-29 19:08 [RFC][PATCH 0/7] sched: " Peter Zijlstra
2015-07-29 19:08 ` [RFC][PATCH 1/7] arm: Remove finish_arch_switch Peter Zijlstra
2015-08-04 7:39 ` Ingo Molnar
2015-08-04 8:26 ` Russell King - ARM Linux
2015-08-04 8:32 ` Will Deacon
2015-07-29 19:08 ` [RFC][PATCH 2/7] MIPS: Get rid of finish_arch_switch() Peter Zijlstra
2015-07-29 19:08 ` Peter Zijlstra [this message]
2015-07-30 5:40 ` [RFC][PATCH 3/7] avr32: Remove finish_arch_switch() Hans-Christian Egtvedt
2015-07-29 19:08 ` [RFC][PATCH 4/7] score: " Peter Zijlstra
2015-07-29 19:08 ` [RFC][PATCH 5/7] sh: Fold finish_arch_switch() into switch_to() Peter Zijlstra
2015-07-29 19:08 ` [RFC][PATCH 6/7] Remove finish_arch_switch Peter Zijlstra
2015-07-29 19:08 ` [RFC][PATCH 7/7] sched: Remove finish_arch_switch() Peter Zijlstra
2015-07-30 9:50 ` [RFC][PATCH 0/7] " Peter Zijlstra
2015-07-31 8:51 ` Ingo Molnar
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