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SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 10-11-2026 08:42 pm, Nilawar, Badal wrote: > > On 05-11-2026 14:23, Mallesh Koujalagi wrote: >> Emit CPER records for software SIGIDs and attach the >> formatted log message as record data. >> >> Cc: Badal Nilawar >> Signed-off-by: Mallesh Koujalagi >> --- >>   drivers/gpu/drm/xe/xe_cper.c       | 12 ++++++++++++ >>   drivers/gpu/drm/xe/xe_cper_types.h |  4 ++++ >>   2 files changed, 16 insertions(+) >> >> diff --git a/drivers/gpu/drm/xe/xe_cper.c b/drivers/gpu/drm/xe/xe_cper.c >> index 10aa10bbf282..9510dcd1754c 100644 >> --- a/drivers/gpu/drm/xe/xe_cper.c >> +++ b/drivers/gpu/drm/xe/xe_cper.c >> @@ -248,6 +248,13 @@ static void cper_emit_hw_err(struct xe_device >> *xe, int cper_sev, enum xe_sigid s >>       xe_cper_emit_counter(xe, cper_sev, sigid, counter, &response); >>   } >>   +#define XE_CPER_SW_MSG_MAX    256 >> + >> +static size_t cper_format_sw_msg(struct va_format *vaf, char *buf, >> size_t size) >> +{ >> +    return scnprintf(buf, size, "%pV", vaf) + 1; >> +} >> + >>   static void cper_emit_sw_err(struct xe_device *xe, int cper_sev, >> enum xe_sigid sigid, >>                    u32 component, u32 location, const void *data, >>                    struct va_format *vaf) >> @@ -256,6 +263,8 @@ static void cper_emit_sw_err(struct xe_device >> *xe, int cper_sev, enum xe_sigid s >>       struct xe_cper_intel_hdr ihdr = {}; >>       struct xe_cper_driver_error_class *driver = &error_class.driver; >>       u64 timestamp = ktime_get_boottime_ns(); >> +    char msg[XE_CPER_SW_MSG_MAX]; >> +    size_t msg_len; >>         driver->error_type = cper_sev; >>       driver->error_component = component; >> @@ -263,7 +272,10 @@ static void cper_emit_sw_err(struct xe_device >> *xe, int cper_sev, enum xe_sigid s >>       if (IS_ERR(data)) >>           driver->cause = -PTR_ERR(data); >>   +    msg_len = cper_format_sw_msg(vaf, msg, sizeof(msg)); >> + >>       cper_init_intel_hdr(xe, &error_class, timestamp, sigid, 1, &ihdr); >> +    cper_record_emit(xe, cper_sev, &INTEL_CPER_NOTIFY_DRV_ERROR, >> &ihdr, msg, msg_len); > > xe_cper_driver_error_class already contains the necessary information. > Why does need to be passed to CPER record? Discussed with Arch team, along with xe_cper_driver_error_class info, we need to emit in case of software CPER. Thanks, -/Mallesh > > Thanks, > Badal > >>   } >>     /** >> diff --git a/drivers/gpu/drm/xe/xe_cper_types.h >> b/drivers/gpu/drm/xe/xe_cper_types.h >> index d8581992dc45..268995a537c4 100644 >> --- a/drivers/gpu/drm/xe/xe_cper_types.h >> +++ b/drivers/gpu/drm/xe/xe_cper_types.h >> @@ -40,6 +40,10 @@ >>       GUID_INIT(0x4ae12aef, 0x8745, 0x5fc7, \ >>             0xb9, 0x96, 0x71, 0xee, 0xbb, 0x51, 0xf2, 0x23) >>   +#define INTEL_CPER_NOTIFY_DRV_ERROR \ >> +    GUID_INIT(0xcef7e934, 0x51e7, 0x535f, \ >> +          0xa6, 0x78, 0x5a, 0x4c, 0xcc, 0xb6, 0x96, 0x09) >> + >>   /* Section Types */ >>   #define INTEL_CPER_SECTION_ACCEL_GENERIC \ >>       GUID_INIT(0xea9d8f84, 0x4258, 0x5227, \