From: "Luis R. Rodriguez" <mcgrof@suse.com>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Petr Mladek <pmladek@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
kbuild-all@01.org
Subject: Re: [mmotm:master 155/319] kernel/printk/printk.c:269:37: error: 'CONFIG_LOG_CPU_MAX_BUF_SHIFT' undeclared
Date: Thu, 26 Jun 2014 04:24:55 +0200 [thread overview]
Message-ID: <20140626022455.GC27687@wotan.suse.de> (raw)
In-Reply-To: <53ab75fb.TL6r6DI5RYoz6W9P%fengguang.wu@intel.com>
On Thu, Jun 26, 2014 at 09:23:07AM +0800, kbuild test robot wrote:
> kernel/printk/printk.c: In function 'log_buf_add_cpu':
> >> kernel/printk/printk.c:269:37: error: 'CONFIG_LOG_CPU_MAX_BUF_SHIFT' undeclared (first use in this function)
> #define __LOG_CPU_MAX_BUF_LEN (1 << CONFIG_LOG_CPU_MAX_BUF_SHIFT)
Indeed, this fixes it, Andrew should I respin or submit a fix for this
as a separate patch, let me know what you prefer.
Luis
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 83f7a95..65ed0a6 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -266,7 +266,11 @@ static u32 clear_idx;
#define LOG_ALIGN __alignof__(struct printk_log)
#endif
#define __LOG_BUF_LEN (1 << CONFIG_LOG_BUF_SHIFT)
+#if defined(CONFIG_LOG_CPU_MAX_BUF_SHIFT)
#define __LOG_CPU_MAX_BUF_LEN (1 << CONFIG_LOG_CPU_MAX_BUF_SHIFT)
+#else
+#define __LOG_CPU_MAX_BUF_LEN 1
+#endif
static char __log_buf[__LOG_BUF_LEN] __aligned(LOG_ALIGN);
static char *log_buf = __log_buf;
static u32 log_buf_len = __LOG_BUF_LEN;
--
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next prev parent reply other threads:[~2014-06-26 2:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-26 1:23 [mmotm:master 155/319] kernel/printk/printk.c:269:37: error: 'CONFIG_LOG_CPU_MAX_BUF_SHIFT' undeclared kbuild test robot
2014-06-26 2:24 ` Luis R. Rodriguez [this message]
2014-06-26 6:10 ` David Rientjes
2014-06-26 8:29 ` Luis R. Rodriguez
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