forked from Minki/linux
Documentation: powerpc: Expand the DAWR acronym
Those not of us not drowning in POWER might not know what this means. Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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DAWR issues on POWER9
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On POWER9 the DAWR can cause a checkstop if it points to cache
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inhibited (CI) memory. Currently Linux has no way to disinguish CI
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memory when configuring the DAWR, so (for now) the DAWR is disabled by
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this commit:
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On POWER9 the Data Address Watchpoint Register (DAWR) can cause a checkstop
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if it points to cache inhibited (CI) memory. Currently Linux has no way to
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disinguish CI memory when configuring the DAWR, so (for now) the DAWR is
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disabled by this commit:
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commit 9654153158d3e0684a1bdb76dbababdb7111d5a0
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Author: Michael Neuling <mikey@neuling.org>
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