Re: [PATCH 0/5] PM: domains: Add helpers for multi PM domains to avoid open-coding

2024-01-01 Thread Viresh Kumar
On 28-12-23, 12:41, Ulf Hansson wrote: > For OPP integration, as a follow up I am striving to make the > dev_pm_opp_attach_genpd() redundant. Instead I think we should move towards > using dev_pm_opp_set_config()->_opp_set_required_devs(), which would allow us > to > use the helpers that $subject

[RFC PATCH] kprobes: Use synchronize_rcu_tasks_rude in kprobe_optimizer

2024-01-01 Thread Chen Zhongjin
There is a deadlock scenario in kprobe_optimizer(): pid A pid B pid C kprobe_optimizer() do_exit() perf_kprobe_init() mutex_lock(&kprobe_mutex) exit_tasks_rcu_start() mutex_lock(&kprobe_mutex) synchronize_rcu_tasks()

Re: [PATCH V1] net: qrtr: ns: Return 0 if server port is not present

2024-01-01 Thread patchwork-bot+netdevbpf
Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Thu, 21 Dec 2023 15:36:51 +0530 you wrote: > When a 'DEL_CLIENT' message is received from the remote, the corresponding > server port gets deleted. A DEL_SERVER message is then announced for this > server. As part of h

[syzbot] [virtualization?] KMSAN: uninit-value in virtqueue_add (4)

2024-01-01 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:fbafc3e621c3 Merge tag 'for_linus' of git://git.kernel.org.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=173df3e9e8 kernel config: https://syzkaller.appspot.com/x/.config?x=e0c7078a6b901aa3 das

Re: [PATCH v7] scripts/link-vmlinux.sh: Add alias to duplicate symbols for kallsyms

2024-01-01 Thread Alessandro Carminati
Hello, Il giorno dom 31 dic 2023 alle ore 06:35 Masahiro Yamada ha scritto: > > On Tue, Dec 5, 2023 at 6:48 AM Alessandro Carminati (Red Hat) > wrote: > > > > In the kernel environment, situations frequently arise where identical > > names are shared among symbols within both the core image an

RE: [PATCH next v2 5/5] locking/osq_lock: Optimise decode_cpu() and per_cpu_ptr().

2024-01-01 Thread David Laight
From: Waiman Long > Sent: 01 January 2024 04:14 ... > You really like micro-optimization. They all add up :-) David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)