Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1385196

Re: [PATCH v4 5/5] arm64: Fix behavior of maxcpus=N

Show all headers | View raw

On Fri, Apr 22, 2016 at 12:25:35PM +0100, Suzuki K. Poulose wrote:
> maxcpu=n sets the number of CPUs activated at boot time to a max of n,
> but allowing the remaining CPUs to be brought up later if the user
> decides to do so. However, on arm64 due to various reasons, we disallowed
> hotplugging CPUs beyond n, by marking them not present. Now that
> we have checks in place to make sure the hotplugged CPUs have compatible
> features with system and requires no new errata, relax the restriction.
> 
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: James Morse <james.morse@arm.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH v4 5/5] arm64: Fix behavior of maxcpus=N Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-04-22 13:30 +0200
  Re: [PATCH v4 5/5] arm64: Fix behavior of maxcpus=N Catalin Marinas <catalin.marinas@arm.com> - 2016-04-22 16:00 +0200

csiph-web