[arch][arm64] Fix barriers in startup code #234
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After a TLBI instruction the right thing to do is to execute DSB followed by ISB. DSB ensures that the TLBI is seen by all observers of the system and ISB ensures that the DSB has finished before continuing. Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
mu578
approved these changes
Sep 12, 2018
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Ah thanks for the fix. |
ghost
deleted the
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No problem. Now that I think of it, probably arm32 also needs a similar fix... |
ghost
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After a TLBI instruction the right thing to do is to execute DSB followed by ISB. DSB ensures that the TLBI is seen by all observers of the system and ISB ensures that the DSB has finished before continuing.