On 2017/10/18 17:44, James Morse wrote: >> The thing is abbreviated as "SEI" and apparently means "System Error >> Interrupt". Nothing else. > ARM has 'external abort', which are either synchronous or asynchronous, both are > delivered as different types of exception. > > Asynchronous external abort is treated as a special kind of interrupt, 'SError > Interrupt', (where SError stands for System Error, but its rarely written like > that). 'SEI' is a relatively new abbreviation for SError interrupt. > > > What should we call this thing? In the ACPI code I'd prefer 'SEI' as that is > what the ACPI spec calls it. Here we are talking about an GHES notification. > > But in the arm64 arch code this should be called SError Interrupt as this is > what the ARM-ARM calls it. This code cares about exception routing and interrupt > masking. > > > But, I don't really care. Thanks very much James's clear explanation. I agree with James. In the ACPI sepc, we usually call SEI as SError Interrupt, we rarely call SError to System Error, Anyway I will explain clearly about the abbreviations in my next version patch. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html