| Date | Thu, 12 Nov 2020 09:46:54 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v9 44/44] kselftest/arm64: Check GCR_EL1 after context switch |
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On Tue, Nov 10, 2020 at 11:10:41PM +0100, Andrey Konovalov wrote: > From: Vincenzo Frascino <vincenzo.frascino@arm.com> > > This test is specific to MTE and verifies that the GCR_EL1 register > is context switched correctly. > > It spawn 1024 processes and each process spawns 5 threads. Each thread > writes a random setting of GCR_EL1 through the prctl() system call and > reads it back verifying that it is the same. If the values are not the > same it reports a failure. > > Note: The test has been extended to verify that even SYNC and ASYNC mode > setting is preserved correctly over context switching. > > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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