From: Thomas Gleixner <tglx@kernel.org>
To: Jinjie Ruan <ruanjinjie@huawei.com>,
catalin.marinas@arm.com, will@kernel.org, oleg@redhat.com,
peterz@infradead.org, luto@kernel.org, shuah@kernel.org,
kees@kernel.org, wad@chromium.org, kevin.brodsky@arm.com,
deller@gmx.de, akpm@linux-foundation.org, charlie@rivosinc.com,
ldv@strace.io, mark.rutland@arm.com, anshuman.khandual@arm.com,
song@kernel.org, ryan.roberts@arm.com, thuth@redhat.com,
ada.coupriediaz@arm.com, broonie@kernel.org, pengcan@kylinos.cn,
liqiang01@kylinos.cn, kmal@cock.li, dvyukov@google.com,
reddybalavignesh9979@gmail.com, richard.weiyang@gmail.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Cc: ruanjinjie@huawei.com
Subject: Re: [PATCH v11 01/14] entry: Remove unused syscall in syscall_trace_enter()
Date: Fri, 30 Jan 2026 11:11:37 +0100 [thread overview]
Message-ID: <87tsw3l89y.ffs@tglx> (raw)
In-Reply-To: <20260128031934.3906955-2-ruanjinjie@huawei.com>
On Wed, Jan 28 2026 at 11:19, Jinjie Ruan wrote:
> The 'syscall' argument in syscall_trace_enter() is immediately overwritten
> before any real use and serves only as a local variable, so drop
> the parameter.
This collides with the already queued time slice extension changes,
which rely on syscall to be handed in:
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=sched/core&id=dd0a04606937af5810e9117d343ee3792635bd3d
Please drop this for now.
Thanks,
tglx
next prev parent reply other threads:[~2026-01-30 10:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 3:19 [PATCH v11 00/14] arm64: entry: Convert to Generic Entry Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 01/14] entry: Remove unused syscall in syscall_trace_enter() Jinjie Ruan
2026-01-29 12:06 ` Kevin Brodsky
2026-01-30 10:11 ` Thomas Gleixner [this message]
2026-01-30 21:53 ` [tip: core/entry] entry: Remove unused syscall argument from syscall_trace_enter() tip-bot2 for Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 02/14] arm64/ptrace: Refactor syscall_trace_enter/exit() Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 03/14] arm64: ptrace: Move rseq_syscall() before audit_syscall_exit() Jinjie Ruan
2026-01-29 12:06 ` Kevin Brodsky
2026-01-29 13:06 ` Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 04/14] arm64: syscall: Rework el0_svc_common() Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 05/14] arm64/ptrace: Not check _TIF_SECCOMP/SYSCALL_EMU for syscall_exit_work() Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 06/14] arm64/ptrace: Do not report_syscall_exit() for PTRACE_SYSEMU_SINGLESTEP Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 07/14] arm64/ptrace: Expand secure_computing() in place Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 08/14] arm64/ptrace: Use syscall_get_arguments() helper Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 09/14] entry: Rework syscall_exit_to_user_mode_work() for arch reuse Jinjie Ruan
2026-01-29 12:06 ` Kevin Brodsky
2026-01-29 13:11 ` Jinjie Ruan
2026-01-29 16:00 ` Kevin Brodsky
2026-01-30 10:16 ` Thomas Gleixner
2026-01-30 13:27 ` Kevin Brodsky
2026-01-30 15:01 ` Thomas Gleixner
2026-01-30 23:33 ` Thomas Gleixner
2026-01-31 1:43 ` Jinjie Ruan
2026-01-30 21:53 ` [tip: core/entry] entry: Rework syscall_exit_to_user_mode_work() for architecture reuse tip-bot2 for Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 10/14] entry: Add arch_ptrace_report_syscall_entry/exit() Jinjie Ruan
2026-01-30 21:53 ` [tip: core/entry] " tip-bot2 for Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 11/14] arm64: entry: Convert to generic entry Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 12/14] arm64: Inline el0_svc_common() Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 13/14] entry: Inline syscall_exit_work() and syscall_trace_enter() Jinjie Ruan
2026-01-30 10:14 ` Thomas Gleixner
2026-01-31 1:48 ` Jinjie Ruan
2026-01-30 21:53 ` [tip: core/entry] " tip-bot2 for Jinjie Ruan
2026-01-28 3:19 ` [PATCH v11 14/14] selftests: sud_test: Support aarch64 Jinjie Ruan
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