diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/include/asm/acpi.h | 6 | ||||
| -rw-r--r-- | arch/ia64/kernel/acpi.c | 23 | ||||
| -rw-r--r-- | arch/x86/include/asm/acpi.h | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/acpi/sleep.c | 12 | ||||
| -rw-r--r-- | arch/x86/kernel/acpi/sleep.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce-apei.c | 42 |
6 files changed, 45 insertions, 45 deletions
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h index 837dc82a013e..a06dfb13d518 100644 --- a/arch/ia64/include/asm/acpi.h +++ b/arch/ia64/include/asm/acpi.h @@ -128,9 +128,9 @@ static inline const char *acpi_get_sysname (void) int acpi_request_vector (u32 int_type); int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); -/* routines for saving/restoring kernel state */ -extern int acpi_save_state_mem(void); -extern void acpi_restore_state_mem(void); +/* Low-level suspend routine. */ +extern int acpi_suspend_lowlevel(void); + extern unsigned long acpi_wakeup_address; /* diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 90ebceb899a0..3be485a300b1 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -803,7 +803,7 @@ int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi) * ACPI based hotplug CPU support */ #ifdef CONFIG_ACPI_HOTPLUG_CPU -static +static __cpuinit int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) { #ifdef CONFIG_ACPI_NUMA @@ -878,7 +878,7 @@ __init void prefill_possible_map(void) set_cpu_possible(i, true); } -int acpi_map_lsapic(acpi_handle handle, int *pcpu) +static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; @@ -929,6 +929,11 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) return (0); } +/* wrapper to silence section mismatch warning */ +int __ref acpi_map_lsapic(acpi_handle handle, int *pcpu) +{ + return _acpi_map_lsapic(handle, pcpu); +} EXPORT_SYMBOL(acpi_map_lsapic); int acpi_unmap_lsapic(int cpu) @@ -1034,18 +1039,8 @@ int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base) EXPORT_SYMBOL(acpi_unregister_ioapic); /* - * acpi_save_state_mem() - save kernel state + * acpi_suspend_lowlevel() - save kernel state and suspend. * * TBD when when IA64 starts to support suspend... */ -int acpi_save_state_mem(void) { return 0; } - -/* - * acpi_restore_state() - */ -void acpi_restore_state_mem(void) {} - -/* - * do_suspend_lowlevel() - */ -void do_suspend_lowlevel(void) {} +int acpi_suspend_lowlevel(void) { return 0; } diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 448d73a371ba..12e0e7dd869c 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -114,9 +114,8 @@ static inline void acpi_disable_pci(void) acpi_noirq_set(); } -/* routines for saving/restoring kernel state */ -extern int acpi_save_state_mem(void); -extern void acpi_restore_state_mem(void); +/* Low-level suspend routine. */ +extern int acpi_suspend_lowlevel(void); extern const unsigned char acpi_wakeup_code[]; #define acpi_wakeup_address (__pa(TRAMPOLINE_SYM(acpi_wakeup_code))) diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 4572c58e66d5..ff93bc1b09c3 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -25,12 +25,12 @@ static char temp_stack[4096]; #endif /** - * acpi_save_state_mem - save kernel state + * acpi_suspend_lowlevel - save kernel state * * Create an identity mapped page table and copy the wakeup routine to * low memory. */ -int acpi_save_state_mem(void) +int acpi_suspend_lowlevel(void) { struct wakeup_header *header; /* address in low memory of the wakeup routine. */ @@ -96,16 +96,10 @@ int acpi_save_state_mem(void) saved_magic = 0x123456789abcdef0L; #endif /* CONFIG_64BIT */ + do_suspend_lowlevel(); return 0; } -/* - * acpi_restore_state - undo effects of acpi_save_state_mem - */ -void acpi_restore_state_mem(void) -{ -} - static int __init acpi_sleep_setup(char *str) { while ((str != NULL) && (*str != '\0')) { diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h index 86ba1c87165b..416d4be13fef 100644 --- a/arch/x86/kernel/acpi/sleep.h +++ b/arch/x86/kernel/acpi/sleep.h @@ -11,3 +11,5 @@ extern int wakeup_pmode_return; extern unsigned long acpi_copy_wakeup_routine(unsigned long); extern void wakeup_long64(void); + +extern void do_suspend_lowlevel(void); diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c index 8209472b27a5..83930deec3c6 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-apei.c +++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c @@ -106,24 +106,34 @@ int apei_write_mce(struct mce *m) ssize_t apei_read_mce(struct mce *m, u64 *record_id) { struct cper_mce_record rcd; - ssize_t len; - - len = erst_read_next(&rcd.hdr, sizeof(rcd)); - if (len <= 0) - return len; - /* Can not skip other records in storage via ERST unless clear them */ - else if (len != sizeof(rcd) || - uuid_le_cmp(rcd.hdr.creator_id, CPER_CREATOR_MCE)) { - if (printk_ratelimit()) - pr_warning( - "MCE-APEI: Can not skip the unknown record in ERST"); - return -EIO; - } - + int rc, pos; + + rc = erst_get_record_id_begin(&pos); + if (rc) + return rc; +retry: + rc = erst_get_record_id_next(&pos, record_id); + if (rc) + goto out; + /* no more record */ + if (*record_id == APEI_ERST_INVALID_RECORD_ID) + goto out; + rc = erst_read(*record_id, &rcd.hdr, sizeof(rcd)); + /* someone else has cleared the record, try next one */ + if (rc == -ENOENT) + goto retry; + else if (rc < 0) + goto out; + /* try to skip other type records in storage */ + else if (rc != sizeof(rcd) || + uuid_le_cmp(rcd.hdr.creator_id, CPER_CREATOR_MCE)) + goto retry; memcpy(m, &rcd.mce, sizeof(*m)); - *record_id = rcd.hdr.record_id; + rc = sizeof(*m); +out: + erst_get_record_id_end(); - return sizeof(*m); + return rc; } /* Check whether there is record in ERST */ |