kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS

We've switched over every architecture that supports SMP to it, so
remove the new useless config variable.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 5 insertions, 5 deletions

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 88d4e864d4c0..c661896e2465 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -319,7 +319,7 @@ void __blk_mq_end_io(struct request *rq, int error)
                 blk_mq_complete_request(rq, error);
 }
 
-#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS)
+#if defined(CONFIG_SMP)
 
 /*
  * Called with interrupts disabled.
@@ -361,7 +361,7 @@ static int ipi_remote_cpu(struct blk_mq_ctx *ctx, const int cpu,
 
         return true;
 }
-#else /* CONFIG_SMP && CONFIG_USE_GENERIC_SMP_HELPERS */
+#else /* CONFIG_SMP */
 static int ipi_remote_cpu(struct blk_mq_ctx *ctx, const int cpu,
                           struct request *rq, const int error)
 {
diff --git a/block/blk-softirq.c b/block/blk-softirq.c
index ce4b8bfd3d27..57790c1a97eb 100644
--- a/block/blk-softirq.c
+++ b/block/blk-softirq.c
@@ -36,7 +36,7 @@ static void blk_done_softirq(struct softirq_action *h)
         }
 }
 
-#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS)
+#ifdef CONFIG_SMP
 static void trigger_softirq(void *data)
 {
         struct request *rq = data;
@@ -71,7 +71,7 @@ static int raise_blk_irq(int cpu, struct request *rq)
 
         return 1;
 }
-#else /* CONFIG_SMP && CONFIG_USE_GENERIC_SMP_HELPERS */
+#else /* CONFIG_SMP */
 static int raise_blk_irq(int cpu, struct request *rq)
 {
         return 1;
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 4f8c4d90ec73..97779522472f 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -288,7 +288,7 @@ static ssize_t
 queue_rq_affinity_store(struct request_queue *q, const char *page, size_t count)
 {
         ssize_t ret = -EINVAL;
-#if defined(CONFIG_USE_GENERIC_SMP_HELPERS)
+#ifdef CONFIG_SMP
         unsigned long val;
 
         ret = queue_var_store(&val, page, count);