linux-kernel - Re: [PATCH v2 1/2] Change DEFINE_SEMAPHORE() to take a number argument

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Date:   Sat, 8 Apr 2023 17:22:41 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     david@...hat.com, patches@...ts.linux.dev,
        linux-modules@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, pmladek@...e.com,
        petr.pavlu@...e.com, prarit@...hat.com,
        torvalds@...ux-foundation.org, gregkh@...uxfoundation.org,
        rafael@...nel.org, christophe.leroy@...roup.eu, tglx@...utronix.de,
        peterz@...radead.org, song@...nel.org, rppt@...nel.org,
        dave@...olabs.net, willy@...radead.org, vbabka@...e.cz,
        mhocko@...e.com, dave.hansen@...ux.intel.com,
        colin.i.king@...il.com, jim.cromie@...il.com,
        catalin.marinas@....com, jbaron@...mai.com,
        rick.p.edgecombe@...el.com
Subject: Re: [PATCH v2 1/2] Change DEFINE_SEMAPHORE() to take a number
 argument

On (23/04/05 13:35), Luis Chamberlain wrote:
> +++ b/kernel/printk/printk.c
> @@ -89,7 +89,7 @@ static DEFINE_MUTEX(console_mutex);
>   * console_sem protects updates to console->seq and console_suspended,
>   * and also provides serialization for console printing.
>   */
> -static DEFINE_SEMAPHORE(console_sem);
> +static DEFINE_SEMAPHORE(console_sem, 1);

FWIW,
Reviewed-by: Sergey Senozhatsky <senozhatsky@...omium.org> # printk