While we are here, let us make timestamp related code
y2038-safe.
Suggested-by: Arnd Bergmann <a...@arndb.de>
Signed-off-by: Hari Bathini <hbath...@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/rtas.h | 3 ++-
arch/powerpc/kernel/nvram_64.c | 6 +++---
arch/powerpc/platforms/pseries/nvram.c | 10 +++++-----
3 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 123d7ff..efa9152 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -4,6 +4,7 @@
#include <linux/spinlock.h>
#include <asm/page.h>
+#include <linux/time.h>
/*
* Definitions for talking to the RTAS on CHRP machines.
@@ -343,7 +344,7 @@ extern int early_init_dt_scan_rtas(unsigned long node,
extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
#ifdef CONFIG_PPC_PSERIES
-extern unsigned long last_rtas_event;
+extern time64_t last_rtas_event;
extern int clobbering_unread_rtas_event(void);
extern int pseries_devicetree_update(s32 scope);
extern void post_mobility_fixup(void);
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 293da88..1e703f8 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -376,7 +376,7 @@ static int zip_oops(size_t text_len)
}
oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
oops_hdr->report_length = cpu_to_be16(zipped_len);
- oops_hdr->timestamp = cpu_to_be64(get_seconds());
+ oops_hdr->timestamp = cpu_to_be64(ktime_get_real_seconds());
return 0;
}
@@ -423,7 +423,7 @@ static int nvram_pstore_write(enum pstore_type_id type,
oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
oops_hdr->report_length = cpu_to_be16(size);
- oops_hdr->timestamp = cpu_to_be64(get_seconds());
+ oops_hdr->timestamp = cpu_to_be64(ktime_get_real_seconds());
if (compressed)
err_type = ERR_TYPE_KERNEL_PANIC_GZ;
@@ -721,7 +721,7 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
err_type = ERR_TYPE_KERNEL_PANIC;
oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
oops_hdr->report_length = cpu_to_be16(text_len);
- oops_hdr->timestamp = cpu_to_be64(get_seconds());
+ oops_hdr->timestamp = cpu_to_be64(ktime_get_real_seconds());
}
(void) nvram_write_os_partition(&oops_log_partition, oops_buf,
diff --git a/arch/powerpc/platforms/pseries/nvram.c
b/arch/powerpc/platforms/pseries/nvram.c
index 97b8fc6..d77713b 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -37,10 +37,10 @@ static DEFINE_SPINLOCK(nvram_lock);
/* See clobbering_unread_rtas_event() */
#define NVRAM_RTAS_READ_TIMEOUT 5 /* seconds */
-static unsigned long last_unread_rtas_event; /* timestamp */
+static time64_t last_unread_rtas_event; /* timestamp */
#ifdef CONFIG_PSTORE
-unsigned long last_rtas_event;
+time64_t last_rtas_event;
#endif
static ssize_t pSeries_nvram_read(char *buf, size_t count, loff_t *index)
@@ -145,9 +145,9 @@ int nvram_write_error_log(char * buff, int length,
int rc = nvram_write_os_partition(&rtas_log_partition, buff, length,
err_type, error_log_cnt);
if (!rc) {
- last_unread_rtas_event = get_seconds();
+ last_unread_rtas_event = ktime_get_real_seconds();
#ifdef CONFIG_PSTORE
- last_rtas_event = get_seconds();
+ last_rtas_event = ktime_get_real_seconds();
#endif
}
@@ -201,7 +201,7 @@ int clobbering_unread_rtas_event(void)
{
return (oops_log_partition.index == rtas_log_partition.index
&& last_unread_rtas_event
- && get_seconds() - last_unread_rtas_event <=
+ && ktime_get_real_seconds() - last_unread_rtas_event <=
NVRAM_RTAS_READ_TIMEOUT);
}
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