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authorMark Rutland <mark.rutland@arm.com>2017-09-27 14:50:38 +0100
committerWill Deacon <will.deacon@arm.com>2017-10-04 13:42:52 +0100
commitccaac16287f9b46c58777f5538c4ba3a9d4c3aeb (patch)
tree35d7b99ed7ee1f21313f8288d5525e3a7926818c /Documentation/ioctl
parentb65423ed466fb0494ef81a2c4177fa151732a33a (diff)
arm64: consistently log boot/secondary CPU IDs
Currently we inconsistently log identifying information for the boot CPU and secondary CPUs. For the boot CPU, we log the MIDR and MPIDR across separate messages, whereas for the secondary CPUs we only log the MIDR. In some cases, it would be useful to know the MPIDR of secondary CPUs, and it would be nice for these messages to be consistent. This patch ensures that in the primary and secondary boot paths, we log both the MPIDR and MIDR in a single message, with a consistent format. the MPIDR is consistently padded to 10 hex characters to cover Aff3 in bits 39:32, so that IDs can be compared easily. The newly redundant message in setup_arch() is removed. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Al Stone <ahs3@redhat.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> [will: added '0x' prefixes consistently] Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'Documentation/ioctl')
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