Re: [PATCH] acpi_os_vprintf: Use printk_get_level() to avoid unnecessary KERN_CONT

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On Wednesday, October 12, 2016 11:50:34 AM Joe Perches wrote:
> acpi_os_vprintf currently always uses a KERN_CONT prefix which may be
> followed immediately by a proper KERN_<LEVEL>.  Check if the buffer
> already has a KERN_<LEVEL> at the start of the buffer and avoid the
> unnecessary KERN_CONT.
> 
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
>  drivers/acpi/osl.c | 13 ++++++++++---
>  1 file changed, 10 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
> index 4305ee9db4b2..416953a42510 100644
> --- a/drivers/acpi/osl.c
> +++ b/drivers/acpi/osl.c
> @@ -162,11 +162,18 @@ void acpi_os_vprintf(const char *fmt, va_list args)
>  	if (acpi_in_debugger) {
>  		kdb_printf("%s", buffer);
>  	} else {
> -		printk(KERN_CONT "%s", buffer);
> +		if (printk_get_level(buffer))
> +			printk("%s", buffer);
> +		else
> +			printk(KERN_CONT "%s", buffer);
>  	}
>  #else
> -	if (acpi_debugger_write_log(buffer) < 0)
> -		printk(KERN_CONT "%s", buffer);
> +	if (acpi_debugger_write_log(buffer) < 0) {
> +		if (printk_get_level(buffer))
> +			printk("%s", buffer);
> +		else
> +			printk(KERN_CONT "%s", buffer);
> +	}
>  #endif
>  }

Applied.

Thanks,
Rafael

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