Re: [PATCH 22/28] printk,kdb: capture printk() when in kdb shell

[Andrew Morton]

On Fri, 12 Feb 2010 16:35:37 -0600 Jason Wessel <jason.wessel@xxxxxxxxxxxxx> wrote:

> @@ -609,6 +610,14 @@ asmlinkage int printk(const char *fmt, ...)
>  	va_list args;
>  	int r;
>  
> +#ifdef CONFIG_KGDB_KDB
> +	if (unlikely(kdb_trap_printk)) {
> +		va_start(args, fmt);
> +		r = vkdb_printf(fmt, args);
> +		va_end(args);
> +		return r;
> +	}
> +#endif
>  	va_start(args, fmt);
>  	r = vprintk(fmt, args);
>  	va_end(args);

this?

--- a/kernel/printk.c~a
+++ a/kernel/printk.c
@@ -594,7 +594,11 @@ asmlinkage int printk(const char *fmt, .
 	int r;
 
 	va_start(args, fmt);
+#ifdef CONFIG_KGDB_KDB
+	r = vkdb_printf(fmt, args);
+#else
 	r = vprintk(fmt, args);
+#endif
 	va_end(args);
 
 	return r;
_

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