/* * apei.h - ACPI Platform Error Interface */ #ifndef ACPI_APEI_H #define ACPI_APEI_H #include #include #include #define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL #define APEI_ERST_CLEAR_RECORD _IOW('E', 1, u64) #define APEI_ERST_GET_RECORD_COUNT _IOR('E', 2, u32) #ifdef __KERNEL__ extern bool hest_disable; extern int erst_disable; #ifdef CONFIG_ACPI_APEI_GHES extern bool ghes_disable; #else #define ghes_disable 1 #endif #ifdef CONFIG_ACPI_APEI void __init acpi_hest_init(void); #else static inline void acpi_hest_init(void) { return; } #endif typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); int apei_hest_parse(apei_hest_func_t func, void *data); int erst_write(const struct cper_record_header *record); ssize_t erst_get_record_count(void); int erst_get_record_id_begin(int *pos); int erst_get_record_id_next(int *pos, u64 *record_id); void erst_get_record_id_end(void); ssize_t erst_read(u64 record_id, struct cper_record_header *record, size_t buflen); int erst_clear(u64 record_id); int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data); void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err); void arch_apei_flush_tlb_one(unsigned long addr); #endif #endif '>packet-loop-back net-next plumbingsTobias Klauser
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path: root/drivers/usb/serial/bus.c
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authorRicardo Ribalda <ricardo.ribalda@gmail.com>2017-02-02 20:15:16 +0100
committerWolfram Sang <wsa@the-dreams.de>2017-02-09 17:13:01 +0100
commitbbb27fc33d44e7b8d96369810654df4ee1837566 (patch)
treeb769e165ad52c0021054f1a048b62bd7e4fbec47 /drivers/usb/serial/bus.c
parentf43128c75202f29ee71aa83e6c320a911137c189 (diff)
i2c: piix4: Request the SMBUS semaphore inside the mutex
SMBSLVCNT must be protected with the piix4_mutex_sb800 in order to avoid multiple buses accessing to the semaphore at the same time. Fixes: 701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC") Reported-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/usb/serial/bus.c')