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SubjectRe: [PATCH v3 1/2] printk: Add function to return log buffer address and size
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On Sat, 2014-08-09 at 11:15 +0530, Vasant Hegde wrote:

> Ben,
> - This patchset applies cleanly on powerpc next branch.
> - Andrew Morton suggested to include this patch in powerpc tree.
> (https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-August/119802.html)
>

Ok, Andrew, can I have an Ack ?

Cheers,
Ben.

> include/linux/printk.h | 3 +++
> kernel/printk/printk.c | 12 ++++++++++++
> 2 files changed, 15 insertions(+)
>
> diff --git a/include/linux/printk.h b/include/linux/printk.h
> index 319ff7e..b8c0316 100644
> --- a/include/linux/printk.h
> +++ b/include/linux/printk.h
> @@ -10,6 +10,9 @@
> extern const char linux_banner[];
> extern const char linux_proc_banner[];
>
> +extern char *log_buf_addr_get(void);
> +extern u32 log_buf_len_get(void);
> +
> static inline int printk_get_level(const char *buffer)
> {
> if (buffer[0] == KERN_SOH_ASCII && buffer[1]) {
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index ea2d5f6..d6a984c 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -270,6 +270,18 @@ static char __log_buf[__LOG_BUF_LEN] __aligned(LOG_ALIGN);
> static char *log_buf = __log_buf;
> static u32 log_buf_len = __LOG_BUF_LEN;
>
> +/* Return log buffer address */
> +char *log_buf_addr_get(void)
> +{
> + return log_buf;
> +}
> +
> +/* Return log buffer size */
> +u32 log_buf_len_get(void)
> +{
> + return log_buf_len;
> +}
> +
> /* human readable text of the record */
> static char *log_text(const struct printk_log *msg)
> {




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