Re: [PATCH v4] bpf: Remove in_atomic() from bpf_link_put().

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@xxxxxxxxxx>:

On Wed, 14 Jun 2023 10:34:30 +0200 you wrote:
> bpf_free_inode() is invoked as a RCU callback. Usually RCU callbacks are
> invoked within softirq context. By setting rcutree.use_softirq=0 boot
> option the RCU callbacks will be invoked in a per-CPU kthread with
> bottom halves disabled which implies a RCU read section.
> 
> On PREEMPT_RT the context remains fully preemptible. The RCU read
> section however does not allow schedule() invocation. The latter happens
> in mutex_lock() performed by bpf_trampoline_unlink_prog() originated
> from bpf_link_put().
> 
> [...]

Here is the summary with links:
  - [v4] bpf: Remove in_atomic() from bpf_link_put().
    https://git.kernel.org/bpf/bpf-next/c/ab5d47bd41b1

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html





[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [NTFS 3]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [NTFS 3]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux