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The purpose of mc_lock is to protect inet6_dev->mc_tomb. But mc_tomb is already protected by RTNL and all functions, which manipulate mc_tomb are called under RTNL. So, mc_lock is not needed. Furthermore, it is spinlock so the critical section is atomic. In order to reduce atomic context, it should be removed. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| dt-bindings | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| vdso | ||
| video | ||
| xen | ||