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Commit 4e857c58 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

arch: Mass conversion of smp_mb__*() 



Mostly scripted conversion of the smp_mb__* barriers.

Signed-off-by: default avatarPeter Zijlstra <peterz@infradead.org>
Acked-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org


Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 1b15611e

block/blk-iopoll.c

+2 −2
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ EXPORT_SYMBOL(blk_iopoll_sched); 
void __blk_iopoll_complete(struct blk_iopoll *iop)

{

	list_del(&iop->list);

	smp_mb__before_clear_bit();

	smp_mb__before_atomic();

	clear_bit_unlock(IOPOLL_F_SCHED, &iop->state);

}

EXPORT_SYMBOL(__blk_iopoll_complete);
@@ -161,7 +161,7 @@ EXPORT_SYMBOL(blk_iopoll_disable); 
void blk_iopoll_enable(struct blk_iopoll *iop)

{

	BUG_ON(!test_bit(IOPOLL_F_SCHED, &iop->state));

	smp_mb__before_clear_bit();

	smp_mb__before_atomic();

	clear_bit_unlock(IOPOLL_F_SCHED, &iop->state);

}

EXPORT_SYMBOL(blk_iopoll_enable);

crypto/chainiv.c

+1 −1
Original line number Diff line number Diff line
@@ -126,7 +126,7 @@ static int async_chainiv_schedule_work(struct async_chainiv_ctx *ctx) 
	int err = ctx->err;



	if (!ctx->queue.qlen) {

		smp_mb__before_clear_bit();

		smp_mb__before_atomic();

		clear_bit(CHAINIV_STATE_INUSE, &ctx->state);



		if (!ctx->queue.qlen ||

drivers/base/power/domain.c

+1 −1
Original line number Diff line number Diff line
@@ -105,7 +105,7 @@ static bool genpd_sd_counter_dec(struct generic_pm_domain *genpd) 
static void genpd_sd_counter_inc(struct generic_pm_domain *genpd)

{

	atomic_inc(&genpd->sd_count);

	smp_mb__after_atomic_inc();

	smp_mb__after_atomic();

}



static void genpd_acquire_lock(struct generic_pm_domain *genpd)

drivers/block/mtip32xx/mtip32xx.c

+2 −2
Original line number Diff line number Diff line
@@ -224,9 +224,9 @@ static int get_slot(struct mtip_port *port) 
 */

static inline void release_slot(struct mtip_port *port, int tag)

{

	smp_mb__before_clear_bit();

	smp_mb__before_atomic();

	clear_bit(tag, port->allocated);

	smp_mb__after_clear_bit();

	smp_mb__after_atomic();

}



/*

drivers/cpuidle/coupled.c

+1 −1
Original line number Diff line number Diff line
@@ -159,7 +159,7 @@ void cpuidle_coupled_parallel_barrier(struct cpuidle_device *dev, atomic_t *a) 
{

	int n = dev->coupled->online_count;



	smp_mb__before_atomic_inc();

	smp_mb__before_atomic();

	atomic_inc(a);



	while (atomic_read(a) < n)