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Date: Thu, 26 Nov 2020 15:54:01 +0000 From: David Brazdil <dbrazdil@...gle.com> To: kvmarm@...ts.cs.columbia.edu Cc: Jonathan Corbet <corbet@....net>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>, James Morse <james.morse@....com>, Julien Thierry <julien.thierry.kdev@...il.com>, Suzuki K Poulose <suzuki.poulose@....com>, Dennis Zhou <dennis@...nel.org>, Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>, Mark Rutland <mark.rutland@....com>, Lorenzo Pieralisi <lorenzo.pieralisi@....com>, Sudeep Holla <sudeep.holla@....com>, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, kernel-team@...roid.com, David Brazdil <dbrazdil@...gle.com> Subject: [PATCH v3 03/23] arm64: Make cpu_logical_map() take unsigned int CPU index should never be negative. Change the signature of (set_)cpu_logical_map to take an unsigned int. Signed-off-by: David Brazdil <dbrazdil@...gle.com> --- arch/arm64/include/asm/smp.h | 4 ++-- arch/arm64/kernel/setup.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h index 2e7f529ec5a6..bcb01ca15325 100644 --- a/arch/arm64/include/asm/smp.h +++ b/arch/arm64/include/asm/smp.h @@ -46,9 +46,9 @@ DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number); * Logical CPU mapping. */ extern u64 __cpu_logical_map[NR_CPUS]; -extern u64 cpu_logical_map(int cpu); +extern u64 cpu_logical_map(unsigned int cpu); -static inline void set_cpu_logical_map(int cpu, u64 hwid) +static inline void set_cpu_logical_map(unsigned int cpu, u64 hwid) { __cpu_logical_map[cpu] = hwid; } diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 133257ffd859..2f2973bc67c7 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -276,7 +276,7 @@ arch_initcall(reserve_memblock_reserved_regions); u64 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID }; -u64 cpu_logical_map(int cpu) +u64 cpu_logical_map(unsigned int cpu) { return __cpu_logical_map[cpu]; } -- 2.29.2.454.gaff20da3a2-goog
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