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Re: [Xen-devel] [PATCH v3 2/2] swiotlb-xen: implement xen_swiotlb_get_sgtable callback

Dear Konrad,

You are not correct here:
> But there are no Kconfig DEBUG - so you may as well just do
> #if 0
> around the code.

DEBUG macro is widely used in the kernel, just try grepping it through
the code. Elementary example is pr_debug definition which is resolved
through DEBUG macro, also reasonable pieces of debug code are widely
guarded by DEBUG macro.
DEBUG macro could be globally across drivers defined by
CONFIG_DEBUG_DRIVERS. See drivers/base/Makefile.

Andrii Anisov.

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