From: David S. Miller Date: Mon, 10 Jun 2019 02:40:10 +0000 (-0700) Subject: Merge branch 'Avoid-local_irq_save-and-use-napi_alloc_frag-where-possible' X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e8a492cd539457b8f616f6db9b62b50cd5b9a980;p=openwrt%2Fstaging%2Fblogic.git Merge branch 'Avoid-local_irq_save-and-use-napi_alloc_frag-where-possible' Sebastian Andrzej says: ==================== Avoid local_irq_save() and use napi_alloc_frag() where possible The first two patches remove local_irq_save() around `netdev_alloc_cache' which does not work on -RT. Besides helping -RT it whould benefit the users of the function since they can avoid disabling interrupts and save a few cycles. The remaining patches are from a time when I tried to remove `netdev_alloc_cache' but then noticed that we still have non-NAPI drivers using netdev_alloc_skb() and I dropped that idea. Using napi_alloc_frag() over netdev_alloc_frag() would skip the not required local_bh_disable() around the allocation. v1…v2: - 1/7 + 2/7 use now "(in_irq() || irqs_disabled())" instead just "irqs_disabled()" to align with __dev_kfree_skb_any(). Pointed out by Eric Dumazet. - 6/7 has a typo less. Pointed out by Sergei Shtylyov. - 3/7 + 4/7 added acks from Ioana Radulescu. ==================== Signed-off-by: David S. Miller --- e8a492cd539457b8f616f6db9b62b50cd5b9a980