linux-kernel - Re: [v6 PATCH 0/6] Various SMP related fixes

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Date:   Mon, 04 Mar 2019 11:06:37 -0800 (PST)
From:   Palmer Dabbelt <palmer@...ive.com>
To:     atish.patra@....com
CC:     linux-riscv@...ts.infradead.org, atish.patra@....com,
        alankao@...estech.com, aou@...s.berkeley.edu, schwab@...e.de,
        anup@...infault.org, dmitriy@...-tech.org, johan@...nel.org,
        linux-kernel@...r.kernel.org,
        Paul Walmsley <paul.walmsley@...ive.com>, tglx@...utronix.de
Subject:     Re: [v6 PATCH 0/6] Various SMP related fixes

On Fri, 22 Feb 2019 11:41:34 PST (-0800), atish.patra@....com wrote:
> The existing upstream kernel doesn't boot for non-smp configuration.
> This patch series address various issues with non-smp configurations.
>
> The patch series is based on 5.0-rc7 + Johan's below mentioned patch
> series. Tested on both QEMU and HiFive Unleashed board using both
> OpenSBI & BBL.
>
> https://lore.kernel.org/lkml/20190118140308.9599-1-johan@kernel.org/
>
> Changes from v5->v6
> 1. Dropped driver patches as they have been accepted via drivers tree.
>
> Changes from v4->v5
> 1. Continue processing other harts even if isa string is incorrect for
>    a single hart during HWCAP processing.
>
> Changes from v3->v4
> 1. Fixed commit text length issues.
> 2. Updated hwcap patch to use common capabilities of all harts.
> 3. Rebased on Johan's patch series.
>
> Changes from v2->v3
>
> 1. Fixed spurious white space.
> 2. Added lockdep for smpboot completion variable.
> 2. Added a sanity check for hwcap.
>
> Changes from v1->v2
>
> 1. Move the cpuid to hartid map to smp.c from setup.c
> 2. Split 3rd patch into several small patches based on
>    logical grouping.
> 3. Added a new patch that fixes an issue in hwcap query.
> 4. Changed the title of the patch series.
>
> Atish Patra (6):
> RISC-V: Do not wait indefinitely in __cpu_up
> RISC-V: Move cpuid to hartid mapping to SMP.
> RISC-V: Remove NR_CPUs check during hartid search from DT
> RISC-V: Allow hartid-to-cpuid function to fail.
> RISC-V: Compare cpuid with NR_CPUS before mapping.
> RISC-V: Assign hwcap as per comman capabilities.
>
> arch/riscv/include/asm/smp.h   | 18 +++++++++++++-----
> arch/riscv/kernel/cpu.c        |  4 ----
> arch/riscv/kernel/cpufeature.c | 41 ++++++++++++++++++++++-------------------
> arch/riscv/kernel/setup.c      |  9 ---------
> arch/riscv/kernel/smp.c        | 10 +++++++++-
> arch/riscv/kernel/smpboot.c    | 20 +++++++++++++++++---
> 6 files changed, 61 insertions(+), 41 deletions(-)

I've taken this v6 into for-next, thanks!