Messages in this thread | | | Subject | Re: [PATCH v5 4/6] arm64: mte: Enable async tag check fault | From | Vincenzo Frascino <> | Date | Fri, 22 Jan 2021 11:24:28 +0000 |
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On 1/21/21 5:38 PM, Andrey Konovalov wrote: >> + if (unlikely(tfsr_el1 & SYS_TFSR_EL1_TF1)) { >> + /* >> + * Note: isb() is not required after this direct write >> + * because there is no indirect read subsequent to it >> + * (per ARM DDI 0487F.c table D13-1). >> + */ >> + write_sysreg_s(0, SYS_TFSR_EL1); >> + >> + kasan_report_async(); > Do we need a static bool reported like in do_tag_recovery() here? >
I would say not because async mode does not get disabled after the first fault.
-- Regards, Vincenzo
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