From: Peter Zijlstra <peterz@infradead.org>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Waiman Long <longman@redhat.com>,
Boqun Feng <boqun.feng@gmail.com>, Arnd Bergmann <arnd@arndb.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org,
linux-s390@vger.kernel.org
Subject: Re: [PATCH v2 resend2] locking/spinlocks: Make __raw_* lock ops static
Date: Fri, 4 Oct 2024 12:08:36 +0200 [thread overview]
Message-ID: <20241004100836.GP18071@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <7201d7fb408375c6c4df541270d787b1b4a32354.1727879348.git.geert+renesas@glider.be>
On Wed, Oct 02, 2024 at 05:03:55PM +0200, Geert Uytterhoeven wrote:
> If CONFIG_GENERIC_LOCKBREAK=y and CONFIG_DEBUG_LOCK_ALLOC=n
> (e.g. sh/sdk7786_defconfig):
>
> kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_spin_lock' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_spin_lock_irqsave' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_spin_lock_irq' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_spin_lock_bh' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_read_lock' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_read_lock_irqsave' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_read_lock_irq' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_read_lock_bh' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_write_lock' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_write_lock_irqsave' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_write_lock_irq' [-Wmissing-prototypes]
> kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_write_lock_bh' [-Wmissing-prototypes]
>
> All __raw_* lock ops are internal functions without external callers.
> Hence fix this by making them static.
>
> Note that if CONFIG_GENERIC_LOCKBREAK=y, no lock ops are inlined, as all
> of CONFIG_INLINE_*_LOCK* depend on !GENERIC_LOCKBREAK.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Acked-by: Waiman Long <longman@redhat.com>
Thanks!
prev parent reply other threads:[~2024-10-04 10:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-02 15:03 [PATCH v2 resend2] locking/spinlocks: Make __raw_* lock ops static Geert Uytterhoeven
2024-10-04 10:08 ` Peter Zijlstra [this message]
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