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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
tree | f91479a62805619168994fd3ee55e3ffa23fc24e /arch/sparc/power/hibernate.c | |
parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
parent | f722406faae2d073cc1d01063d1123c35425939e (diff) |
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
Diffstat (limited to 'arch/sparc/power/hibernate.c')
-rw-r--r-- | arch/sparc/power/hibernate.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/sparc/power/hibernate.c b/arch/sparc/power/hibernate.c new file mode 100644 index 00000000000..42b0b8ce699 --- /dev/null +++ b/arch/sparc/power/hibernate.c @@ -0,0 +1,42 @@ +/* + * hibernate.c: Hibernaton support specific for sparc64. + * + * Copyright (C) 2013 Kirill V Tkhai (tkhai@yandex.ru) + */ + +#include <linux/mm.h> + +#include <asm/hibernate.h> +#include <asm/visasm.h> +#include <asm/page.h> +#include <asm/tlb.h> + +/* References to section boundaries */ +extern const void __nosave_begin, __nosave_end; + +struct saved_context saved_context; + +/* + * pfn_is_nosave - check if given pfn is in the 'nosave' section + */ + +int pfn_is_nosave(unsigned long pfn) +{ + unsigned long nosave_begin_pfn = PFN_DOWN((unsigned long)&__nosave_begin); + unsigned long nosave_end_pfn = PFN_DOWN((unsigned long)&__nosave_end); + + return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn); +} + +void save_processor_state(void) +{ + save_and_clear_fpu(); +} + +void restore_processor_state(void) +{ + struct mm_struct *mm = current->active_mm; + + load_secondary_context(mm); + tsb_context_switch(mm); +} |