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ras: phytium: update phytium ras controller driver support to 6.6.0.4 #1726

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wangchenlu2236 wants to merge 2 commits into from
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ras: phytium: update phytium ras controller driver support to 6.6.0.4 #1726

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85b6c0d
GHES: Add a notify chain for process memory section.
May 15, 2026
21e5397
GHES: Add ghes_mem_err_chain notify chain for process memory section
wangchenlu2236 May 15, 2026
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9 changes: 9 additions & 0 deletions drivers/acpi/apei/ghes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,9 @@ static DEFINE_MUTEX(ghes_list_mutex);
static LIST_HEAD(ghes_devs);
static DEFINE_MUTEX(ghes_devs_mutex);

ATOMIC_NOTIFIER_HEAD(ghes_mem_err_chain);
EXPORT_SYMBOL_GPL(ghes_mem_err_chain);

/*
* Because the memory area used to transfer hardware error information
* from BIOS to Linux can be determined only in NMI, IRQ or timer
Expand Down Expand Up @@ -702,7 +705,13 @@ static bool ghes_do_proc(struct ghes *ghes,

if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {
struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
struct ghes_mem_err mem;

mem.notify_type = ghes->generic->notify.type;
mem.severity = gdata->error_severity;
mem.mem_err = mem_err;

atomic_notifier_call_chain(&ghes_mem_err_chain, 0, &mem);
atomic_notifier_call_chain(&ghes_report_chain, sev, mem_err);

arch_apei_report_mem_error(sev, mem_err);
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8 changes: 8 additions & 0 deletions include/acpi/ghes.h
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Expand Up @@ -131,6 +131,14 @@ int ghes_notify_sea(void);
static inline int ghes_notify_sea(void) { return -ENOENT; }
#endif

struct ghes_mem_err {
int notify_type;
int severity;
struct cper_sec_mem_err *mem_err;
};

extern struct atomic_notifier_head ghes_mem_err_chain;

struct notifier_block;
extern void ghes_register_report_chain(struct notifier_block *nb);
extern void ghes_unregister_report_chain(struct notifier_block *nb);
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