On Wed, 2014-10-08 at 10:04 +1100, Michael Ellerman wrote:

On Tue, 2014-07-10 at 10:48:18 UTC, Michael Neuling wrote:

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From: Ian Munsie <redacted>
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This adds the base cxl support that needs to be build into the kernel t=

o use

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cxl as a module. This is needed so that the cxl call backs from the cor=

e

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powerpc mm code always exist irrespective of if the cxl module is loade=

d or

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not. This is similar to how cell works with CONFIG_SPU_BASE.
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This adds a cxl_slbia() call (similar to spu_flush_all_slbs()) which ch=

ecks for

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the cxl module being loaded. If the modules is not loaded we return, ot=

herwise

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we call into the cxl SLB invalidation code.
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This also adds the cxl_ctx_in_use() function for use in the mm code to =

see if

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any cxl contexts are currently in use. This is used by the tlbie() to
determine if it can do local TLB invalidations or not. This also adds g=

et/put

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calls for the cxl driver module to refcount the active cxl contexts.

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This last paragraph is no longer true.

Yep, thanks.  I'll move it to patch 7 where it does apply.

Mikey