From: Andrii Nakryiko Date: Mon, 21 Oct 2024 22:02:49 +0000 (-0700) Subject: Merge branch 'implement-mechanism-to-signal-other-threads' X-Git-Tag: v6.13-rc1~136^2~47 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d39100d01ce1ba1bffe0447a0550f592aa6e1e9b;p=thirdparty%2Fkernel%2Fstable.git Merge branch 'implement-mechanism-to-signal-other-threads' Puranjay Mohan says: ==================== Implement mechanism to signal other threads This set implements a kfunc called bpf_send_signal_task() that is similar to sigqueue() as it can send a signal along with a cookie to a thread or thread group. The send_signal selftest has been updated to also test this new kfunc under all contexts. Changes in v5: v4: https://lore.kernel.org/all/20241008114940.44305-1-puranjay@kernel.org/ - Call copy_siginfo() only if work->has_siginfo is true in bpf_send_signal_common() - Add Acked-by: Andrii Nakryiko Changes in v4: v3: https://lore.kernel.org/all/20241007103426.128923-1-puranjay@kernel.org/ - Fix the selftest to make it work for big-endian archs. - Fix a build warning on 32-bit archs. - Some style changes and code refactors suggested by Andrii Changes in v3: v2: https://lore.kernel.org/all/20240926115328.105634-1-puranjay@kernel.org/ - make the cookie u64 instead of int. - re use code from bpf_send_signal_common Changes in v2: v1: https://lore.kernel.org/bpf/20240724113944.75977-1-puranjay@kernel.org/ - Convert to a kfunc - Add mechanism to send a cookie with the signal. ==================== Link: https://lore.kernel.org/r/20241016084136.10305-1-puranjay@kernel.org Signed-off-by: Andrii Nakryiko --- d39100d01ce1ba1bffe0447a0550f592aa6e1e9b