The patch titled
lib: export generic atomic64_t functions
has been removed from the -mm tree. Its filename was
lib-export-generic-atomic64_t-functions.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: lib: export generic atomic64_t functions
From: Roland Dreier <rdreier@xxxxxxxxx>
The generic atomic64_t implementation in lib/ did not export the functions
it defined, which means that modules that use atomic64_t would not link on
platforms (such as 32-bit powerpc). For example, trying to build a kernel
with CONFIG_NET_RDS on such a platform would fail with:
ERROR: "atomic64_read" [net/rds/rds.ko] undefined!
ERROR: "atomic64_set" [net/rds/rds.ko] undefined!
Fix this by exporting the atomic64_t functions to modules. (I export the
entire API even if it's not all currently used by in-tree modules to avoid
having to continue fixing this in dribs and drabs)
Signed-off-by: Roland Dreier <rolandd@xxxxxxxxx>
Acked-by: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/atomic64.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff -puN lib/atomic64.c~lib-export-generic-atomic64_t-functions lib/atomic64.c
--- a/lib/atomic64.c~lib-export-generic-atomic64_t-functions
+++ a/lib/atomic64.c
@@ -13,6 +13,7 @@
#include <linux/cache.h>
#include <linux/spinlock.h>
#include <linux/init.h>
+#include <linux/module.h>
#include <asm/atomic.h>
/*
@@ -52,6 +53,7 @@ long long atomic64_read(const atomic64_t
spin_unlock_irqrestore(lock, flags);
return val;
}
+EXPORT_SYMBOL(atomic64_read);
void atomic64_set(atomic64_t *v, long long i)
{
@@ -62,6 +64,7 @@ void atomic64_set(atomic64_t *v, long lo
v->counter = i;
spin_unlock_irqrestore(lock, flags);
}
+EXPORT_SYMBOL(atomic64_set);
void atomic64_add(long long a, atomic64_t *v)
{
@@ -72,6 +75,7 @@ void atomic64_add(long long a, atomic64_
v->counter += a;
spin_unlock_irqrestore(lock, flags);
}
+EXPORT_SYMBOL(atomic64_add);
long long atomic64_add_return(long long a, atomic64_t *v)
{
@@ -84,6 +88,7 @@ long long atomic64_add_return(long long
spin_unlock_irqrestore(lock, flags);
return val;
}
+EXPORT_SYMBOL(atomic64_add_return);
void atomic64_sub(long long a, atomic64_t *v)
{
@@ -94,6 +99,7 @@ void atomic64_sub(long long a, atomic64_
v->counter -= a;
spin_unlock_irqrestore(lock, flags);
}
+EXPORT_SYMBOL(atomic64_sub);
long long atomic64_sub_return(long long a, atomic64_t *v)
{
@@ -106,6 +112,7 @@ long long atomic64_sub_return(long long
spin_unlock_irqrestore(lock, flags);
return val;
}
+EXPORT_SYMBOL(atomic64_sub_return);
long long atomic64_dec_if_positive(atomic64_t *v)
{
@@ -120,6 +127,7 @@ long long atomic64_dec_if_positive(atomi
spin_unlock_irqrestore(lock, flags);
return val;
}
+EXPORT_SYMBOL(atomic64_dec_if_positive);
long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n)
{
@@ -134,6 +142,7 @@ long long atomic64_cmpxchg(atomic64_t *v
spin_unlock_irqrestore(lock, flags);
return val;
}
+EXPORT_SYMBOL(atomic64_cmpxchg);
long long atomic64_xchg(atomic64_t *v, long long new)
{
@@ -147,6 +156,7 @@ long long atomic64_xchg(atomic64_t *v, l
spin_unlock_irqrestore(lock, flags);
return val;
}
+EXPORT_SYMBOL(atomic64_xchg);
int atomic64_add_unless(atomic64_t *v, long long a, long long u)
{
@@ -162,6 +172,7 @@ int atomic64_add_unless(atomic64_t *v, l
spin_unlock_irqrestore(lock, flags);
return ret;
}
+EXPORT_SYMBOL(atomic64_add_unless);
static int init_atomic64_lock(void)
{
_
Patches currently in -mm which might be from rdreier@xxxxxxxxx are
origin.patch
linux-next.patch
ecryptfs-another-lockdep-issue.patch
ummunotify-userspace-support-for-mmu-notifications.patch
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