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powerpc/nvram: Rename ppc64,linux partition to ibm,rtas-log

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I'm not aware of any userspace tool accessing it by its name anyways,
it's read back by the kernel itself on the next boot to get back
older log entries

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2010-08-02 10:51:25 +10:00
parent edc79a2f3e
commit 9a866b8708
1 changed files with 13 additions and 10 deletions
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23
arch/powerpc/platforms/pseries/nvram.c
View file

@ -40,6 +40,8 @@ struct err_log_info {
#define NVRAM_MAX_REQ 2079
#define NVRAM_MIN_REQ 1055
#define NVRAM_LOG_PART_NAME "ibm,rtas-log"
static ssize_t pSeries_nvram_read(char *buf, size_t count, loff_t *index)
{
unsigned int i;
@ -262,8 +264,8 @@ int nvram_clear_error_log(void)
* error logs and cleanup partitions if needed.
*
* The general strategy is the following:
* 1.) If there is ppc64,linux partition large enough then use it.
* 2.) If there is not a ppc64,linux partition large enough, search
* 1.) If there is log partition large enough then use it.
* 2.) If there is none large enough, search
* for a free partition that is large enough.
* 3.) If there is not a free partition large enough remove
* _all_ OS partitions and consolidate the space.
@ -281,34 +283,35 @@ static int __init pseries_nvram_init_log_partition(void)
nvram_scan_partitions();
/* Lookg for ours */
p = nvram_find_partition("ppc64,linux", NVRAM_SIG_OS, &size);
p = nvram_find_partition(NVRAM_LOG_PART_NAME, NVRAM_SIG_OS, &size);
/* Found one but too small, remove it */
if (p && size < NVRAM_MIN_REQ) {
pr_info("nvram: Found too small ppc64,linux partition"
pr_info("nvram: Found too small "NVRAM_LOG_PART_NAME" partition"
",removing it...");
nvram_remove_partition("ppc64,linux", NVRAM_SIG_OS);
nvram_remove_partition(NVRAM_LOG_PART_NAME, NVRAM_SIG_OS);
p = 0;
}
/* Create one if we didn't find */
if (!p) {
p = nvram_create_partition("ppc64,linux", NVRAM_SIG_OS,
p = nvram_create_partition(NVRAM_LOG_PART_NAME, NVRAM_SIG_OS,
NVRAM_MAX_REQ, NVRAM_MIN_REQ);
/* No room for it, try to get rid of any OS partition
* and try again
*/
if (p == -ENOSPC) {
pr_info("nvram: No room to create ppc64,linux"
pr_info("nvram: No room to create "NVRAM_LOG_PART_NAME
" partition, deleting all OS partitions...");
nvram_remove_partition(NULL, NVRAM_SIG_OS);
p = nvram_create_partition("ppc64,linux", NVRAM_SIG_OS,
NVRAM_MAX_REQ, NVRAM_MIN_REQ);
p = nvram_create_partition(NVRAM_LOG_PART_NAME,
NVRAM_SIG_OS, NVRAM_MAX_REQ,
NVRAM_MIN_REQ);
}
}
if (p <= 0) {
pr_err("nvram: Failed to find or create ppc64,linux"
pr_err("nvram: Failed to find or create "NVRAM_LOG_PART_NAME
" partition, err %d\n", (int)p);
return 0;
}