* [PATCH RT 0/2] Warning fixes for 3.2-rt (and other branches)
@ 2016-09-29 16:58 Ben Hutchings
2016-09-29 17:00 ` [PATCH RT 1/2] genirq: Fix pointer cast warning for randomness on 32-bit architectures Ben Hutchings
2016-09-30 9:05 ` [PATCH RT 2/2] work-simple: Add missing #include <linux/export.h> Ben Hutchings
0 siblings, 2 replies; 3+ messages in thread
From: Ben Hutchings @ 2016-09-29 16:58 UTC (permalink / raw)
To: Steven Rostedt; +Cc: linux-kernel, stable-rt
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These patches fix longstanding warnings seen when building 3.2-rt.
Ben.
Ben Hutchings (2):
genirq: Fix pointer cast warning for randomness on 32-bit
architectures
work-simple: Add missing #include <linux/export.h>
kernel/irq/manage.c | 3 ++-
kernel/work-simple.c | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
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* [PATCH RT 1/2] genirq: Fix pointer cast warning for randomness on 32-bit architectures
2016-09-29 16:58 [PATCH RT 0/2] Warning fixes for 3.2-rt (and other branches) Ben Hutchings
@ 2016-09-29 17:00 ` Ben Hutchings
2016-09-30 9:05 ` [PATCH RT 2/2] work-simple: Add missing #include <linux/export.h> Ben Hutchings
1 sibling, 0 replies; 3+ messages in thread
From: Ben Hutchings @ 2016-09-29 17:00 UTC (permalink / raw)
To: Steven Rostedt; +Cc: linux-kernel, stable-rt
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gcc warns about casting directly from a 32-bit pointer to u64. In the
current rt patch series we cast to unsigned long to avoid the warning,
but this fix hasn't been backported to all versions.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: <stable-rt@vger.kernel.org> # 3.2
---
kernel/irq/manage.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index c4677795d7c8..b1683ba80c88 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -897,7 +897,8 @@ static int irq_thread(void *data)
#ifdef CONFIG_PREEMPT_RT_FULL
migrate_disable();
add_interrupt_randomness(action->irq, 0,
- desc->random_ip ^ (u64) action);
+ desc->random_ip ^
+ (unsigned long) action);
migrate_enable();
#endif
}
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* [PATCH RT 2/2] work-simple: Add missing #include <linux/export.h>
2016-09-29 16:58 [PATCH RT 0/2] Warning fixes for 3.2-rt (and other branches) Ben Hutchings
2016-09-29 17:00 ` [PATCH RT 1/2] genirq: Fix pointer cast warning for randomness on 32-bit architectures Ben Hutchings
@ 2016-09-30 9:05 ` Ben Hutchings
1 sibling, 0 replies; 3+ messages in thread
From: Ben Hutchings @ 2016-09-30 9:05 UTC (permalink / raw)
To: Steven Rostedt; +Cc: linux-kernel, stable-rt
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work-simple.c uses EXPORT_SYMBOL_GPL(), defined in <linux/export.h>.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable-rt@vger.kernel.org # 3.2
---
I'm not sure there's any need for these exports so the correct fix
might be to remove them.
Ben.
kernel/work-simple.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/work-simple.c b/kernel/work-simple.c
index c996f755dba6..e57a0522573f 100644
--- a/kernel/work-simple.c
+++ b/kernel/work-simple.c
@@ -10,6 +10,7 @@
#include <linux/kthread.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <linux/export.h>
#define SWORK_EVENT_PENDING (1 << 0)
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2016-09-29 16:58 [PATCH RT 0/2] Warning fixes for 3.2-rt (and other branches) Ben Hutchings
2016-09-29 17:00 ` [PATCH RT 1/2] genirq: Fix pointer cast warning for randomness on 32-bit architectures Ben Hutchings
2016-09-30 9:05 ` [PATCH RT 2/2] work-simple: Add missing #include <linux/export.h> Ben Hutchings
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