Merge tag 'v3.7' into stable/for-linus-3.8

Linux 3.7

* tag 'v3.7': (833 commits)
  Linux 3.7
  Input: matrix-keymap - provide proper module license
  Revert "revert "Revert "mm: remove __GFP_NO_KSWAPD""" and associated damage
  ipv4: ip_check_defrag must not modify skb before unsharing
  Revert "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended"
  inet_diag: validate port comparison byte code to prevent unsafe reads
  inet_diag: avoid unsafe and nonsensical prefix matches in inet_diag_bc_run()
  inet_diag: validate byte code to prevent oops in inet_diag_bc_run()
  inet_diag: fix oops for IPv4 AF_INET6 TCP SYN-RECV state
  mm: vmscan: fix inappropriate zone congestion clearing
  vfs: fix O_DIRECT read past end of block device
  net: gro: fix possible panic in skb_gro_receive()
  tcp: bug fix Fast Open client retransmission
  tmpfs: fix shared mempolicy leak
  mm: vmscan: do not keep kswapd looping forever due to individual uncompactable zones
  mm: compaction: validate pfn range passed to isolate_freepages_block
  mmc: sh-mmcif: avoid oops on spurious interrupts (second try)
  Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts"
  mmc: sdhci-s3c: fix missing clock for gpio card-detect
  lib/Makefile: Fix oid_registry build dependency
  ...

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

Conflicts:
	arch/arm/xen/enlighten.c
	drivers/xen/Makefile

[We need to have the v3.7 base as the 'for-3.8' was based off v3.7-rc3
and there are some patches in v3.7-rc6 that we to have in our branch]

1 files changed, 8 insertions, 3 deletions

diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 671d4d6d14df..7bdd61b867c8 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -137,13 +137,18 @@ static void cryptd_queue_worker(struct work_struct *work)
 	struct crypto_async_request *req, *backlog;
 
 	cpu_queue = container_of(work, struct cryptd_cpu_queue, work);
-	/* Only handle one request at a time to avoid hogging crypto
-	 * workqueue. preempt_disable/enable is used to prevent
-	 * being preempted by cryptd_enqueue_request() */
+	/*
+	 * Only handle one request at a time to avoid hogging crypto workqueue.
+	 * preempt_disable/enable is used to prevent being preempted by
+	 * cryptd_enqueue_request(). local_bh_disable/enable is used to prevent
+	 * cryptd_enqueue_request() being accessed from software interrupts.
+	 */
+	local_bh_disable();
 	preempt_disable();
 	backlog = crypto_get_backlog(&cpu_queue->queue);
 	req = crypto_dequeue_request(&cpu_queue->queue);
 	preempt_enable();
+	local_bh_enable();
 
 	if (!req)
 		return;