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Date: Fri, 01 Apr 2022 11:52:32 -0700 (PDT)
From: Palmer Dabbelt <palmer@...belt.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>, robh+dt@...nel.org
CC: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] RISC-V Patches for the 5.18 Merge Window, Part 2
On Fri, 01 Apr 2022 09:41:50 PDT (-0700), Palmer Dabbelt wrote:
> merged tag 'riscv-for-linus-5.18-mw0'
> The following changes since commit aa5b537b0ecc16992577b013f11112d54c7ce869:
>
> Merge tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux (2022-03-25 10:11:38 -0700)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-5.18-mw1
>
> for you to fetch changes up to 1464d00b27b2e29a5556f6a4099cf083886e883f:
>
> RISC-V: K210 defconfigs: Drop redundant MEMBARRIER=n (2022-03-31 17:19:27 -0700)
>
> ----------------------------------------------------------------
> RISC-V Patches for the 5.18 Merge Window, Part 2
>
> This has a handful of new features
>
> * Support for CURRENT_STACK_POINTER, which enables some extra stack
> debugging for HARDENED_USERCOPY.
> * Support for the new SBI CPU idle extension, via cpuidle and suspend
> drivers.
Sorry, looks like there are some issues with this series that Rob
pointed out. I'm going to re-spin this PR without those, unfortunately
they're towards the beginning.
> * Profiling has been enabled in the defconfigs.
>
> but is mostly fixes and cleanups.
>
> ----------------------------------------------------------------
> There are no merge conflicts. I'm getting on allyesconfig warning in
> drivers/misc/habanalabs, but that appears to just be a 32-bit problem (it's
> happening on 32-bit x86 as well). I've sent a patch for that, but I doubt it's
> a RISC-V issue so I'm sending this at the same time.
>
> With that patch I get clean build that boot after my test merge.
>
> ----------------------------------------------------------------
> Anup Patel (9):
> RISC-V: Enable CPU_IDLE drivers
> RISC-V: Rename relocate() and make it global
> RISC-V: Add arch functions for non-retentive suspend entry/exit
> RISC-V: Add SBI HSM suspend related defines
> cpuidle: Factor-out power domain related code from PSCI domain driver
> cpuidle: Add RISC-V SBI CPU idle driver
> dt-bindings: Add common bindings for ARM and RISC-V idle states
> RISC-V: Enable RISC-V SBI CPU Idle driver for QEMU virt machine
> RISC-V: Enable profiling by default
>
> Atish Patra (2):
> RISC-V: Fix a comment typo in riscv_of_parent_hartid()
> RISC-V: Declare per cpu boot data as static
>
> Bagas Sanjaya (1):
> Documentation: riscv: remove non-existent directory from table of contents
>
> Dmitry Vyukov (1):
> riscv: Increase stack size under KASAN
>
> Fangrui Song (1):
> riscv module: remove (NOLOAD)
>
> Kees Cook (1):
> riscv: Rename "sp_in_global" to "current_stack_pointer"
>
> Nikita Shubin (1):
> riscv: Fix fill_callchain return value
>
> Niklas Cassel (1):
> riscv: dts: canaan: Fix SPI3 bus width
>
> Palmer Dabbelt (3):
> RISC-V CPU Idle Support
> RISC-V: defconfig: Drop redundant SBI HVC and earlycon
> RISC-V: K210 defconfigs: Drop redundant MEMBARRIER=n
>
> Randy Dunlap (1):
> riscv: cpu.c: don't use kernel-doc markers for comments
>
> Wu Caize (1):
> RISC-V: module: fix apply_r_riscv_rcv_branch_rela typo
>
> .../bindings/arm/msm/qcom,idle-state.txt | 2 +-
> Documentation/devicetree/bindings/arm/psci.yaml | 2 +-
> .../bindings/{arm => cpu}/idle-states.yaml | 228 +++++++-
> Documentation/devicetree/bindings/riscv/cpus.yaml | 6 +
> Documentation/riscv/index.rst | 1 -
> MAINTAINERS | 14 +
> arch/riscv/Kconfig | 8 +
> arch/riscv/Kconfig.socs | 3 +
> arch/riscv/boot/dts/canaan/sipeed_maix_bit.dts | 2 +
> arch/riscv/boot/dts/canaan/sipeed_maix_dock.dts | 2 +
> arch/riscv/boot/dts/canaan/sipeed_maix_go.dts | 2 +
> arch/riscv/boot/dts/canaan/sipeed_maixduino.dts | 2 +
> arch/riscv/configs/defconfig | 5 +-
> arch/riscv/configs/nommu_k210_defconfig | 1 -
> arch/riscv/configs/nommu_k210_sdcard_defconfig | 1 -
> arch/riscv/configs/nommu_virt_defconfig | 1 -
> arch/riscv/configs/rv32_defconfig | 5 +-
> arch/riscv/include/asm/asm.h | 26 +
> arch/riscv/include/asm/cpuidle.h | 24 +
> arch/riscv/include/asm/current.h | 2 +
> arch/riscv/include/asm/module.lds.h | 6 +-
> arch/riscv/include/asm/suspend.h | 36 ++
> arch/riscv/include/asm/thread_info.h | 10 +-
> arch/riscv/kernel/Makefile | 2 +
> arch/riscv/kernel/asm-offsets.c | 3 +
> arch/riscv/kernel/cpu.c | 6 +-
> arch/riscv/kernel/cpu_ops_sbi.c | 2 +-
> arch/riscv/kernel/head.S | 27 +-
> arch/riscv/kernel/module.c | 4 +-
> arch/riscv/kernel/perf_callchain.c | 2 +-
> arch/riscv/kernel/process.c | 3 +-
> arch/riscv/kernel/stacktrace.c | 6 +-
> arch/riscv/kernel/suspend.c | 87 +++
> arch/riscv/kernel/suspend_entry.S | 124 ++++
> drivers/cpuidle/Kconfig | 9 +
> drivers/cpuidle/Kconfig.arm | 1 +
> drivers/cpuidle/Kconfig.riscv | 15 +
> drivers/cpuidle/Makefile | 5 +
> drivers/cpuidle/cpuidle-psci-domain.c | 138 +----
> drivers/cpuidle/cpuidle-psci.h | 15 +-
> drivers/cpuidle/cpuidle-riscv-sbi.c | 627 +++++++++++++++++++++
> drivers/cpuidle/dt_idle_genpd.c | 178 ++++++
> drivers/cpuidle/dt_idle_genpd.h | 50 ++
> 43 files changed, 1491 insertions(+), 202 deletions(-)
> rename Documentation/devicetree/bindings/{arm => cpu}/idle-states.yaml (74%)
> create mode 100644 arch/riscv/include/asm/cpuidle.h
> create mode 100644 arch/riscv/include/asm/suspend.h
> create mode 100644 arch/riscv/kernel/suspend.c
> create mode 100644 arch/riscv/kernel/suspend_entry.S
> create mode 100644 drivers/cpuidle/Kconfig.riscv
> create mode 100644 drivers/cpuidle/cpuidle-riscv-sbi.c
> create mode 100644 drivers/cpuidle/dt_idle_genpd.c
> create mode 100644 drivers/cpuidle/dt_idle_genpd.h
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