Re: [PATCH v11 0/2] ARMv8.5-RNG support

On Fri, Jan 17, 2020 at 03:26:40PM +0000, Mark Brown wrote:

This series is based on Richard Henderson's previous v7, it addresses
review comments from that version by dropping the boot time RNG
support and adds a new change that uses the v8.5-RNG extension to
seed KASLR when ARCH_RANDOM is enabled.  The boot time support
will be re-added later, there are awkward potential interactons
with CPU feature enumeration which need a bit more thought.

Thanks, but this fails an allmodconfig build for me:


arch/arm64/kernel/kaslr.c: In function ‘kaslr_early_init’:
arch/arm64/kernel/kaslr.c:127:6: error: implicit declaration of function ‘__early_cpu_has_rndr’; did you mean ‘__early_pfn_to_nid’? [-Werror=implicit-function-declaration]
  if (__early_cpu_has_rndr()) {
      ^~~~~~~~~~~~~~~~~~~~
      __early_pfn_to_nid
cc1: some warnings being treated as errors


(no gcc, we didn't mean that!)

Will

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