linux-kernel - [GIT PULL] RISC-V Patches for the 5.8 Merge Window, Part 2

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Message-ID: <mhng-70ded5ff-c09c-4703-837e-7ab2d9eea85c@palmerdabbelt-glaptop1>
Date:   Thu, 11 Jun 2020 10:53:59 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
CC:         linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] RISC-V Patches for the 5.8 Merge Window, Part 2

The following changes since commit 084623e468d535d98f883cc2ccf2c4fdf2108556:

  Merge tag 'modules-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux (2020-06-05 12:31:16 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-5.8-mw1

for you to fetch changes up to 01f76386b0ac0b1c1094456c8f43ea6085fc49d2:

  riscv: set the permission of vdso_data to read-only (2020-06-10 19:47:35 -0700)

----------------------------------------------------------------
RISC-V Patches for the 5.8 Merge Window, Part 2

* Select statements are now sorted alphanumerically.
* Our first-level interrupts are now handled via a full irqchip driver.
* CPU hotplug is fixed.
* Our vDSO calls now use the common vDSO infrastructure.

----------------------------------------------------------------
Anup Patel (7):
      RISC-V: self-contained IPI handling routine
      RISC-V: Rename and move plic_find_hart_id() to arch directory
      irqchip: RISC-V per-HART local interrupt controller driver
      clocksource/drivers/timer-riscv: Use per-CPU timer interrupt
      RISC-V: Remove do_IRQ() function
      RISC-V: Force select RISCV_INTC for CONFIG_RISCV
      RISC-V: Don't mark init section as non-executable

Palmer Dabbelt (1):
      RISC-V: Sort select statements alphanumerically

Vincent Chen (2):
      riscv: use vDSO common flow to reduce the latency of the time-related functions
      riscv: set the permission of vdso_data to read-only

Zong Li (1):
      riscv: fix build warning of missing prototypes

 arch/riscv/Kconfig                         |  74 +++++++++-------
 arch/riscv/include/asm/clocksource.h       |   7 ++
 arch/riscv/include/asm/irq.h               |   5 --
 arch/riscv/include/asm/processor.h         |  13 +--
 arch/riscv/include/asm/smp.h               |   3 +
 arch/riscv/include/asm/vdso.h              |   2 +
 arch/riscv/include/asm/vdso/clocksource.h  |   8 ++
 arch/riscv/include/asm/vdso/gettimeofday.h |  79 +++++++++++++++++
 arch/riscv/include/asm/vdso/processor.h    |  19 ++++
 arch/riscv/include/asm/vdso/vsyscall.h     |  27 ++++++
 arch/riscv/kernel/cpu.c                    |  16 ++++
 arch/riscv/kernel/entry.S                  |   4 +-
 arch/riscv/kernel/irq.c                    |  33 +------
 arch/riscv/kernel/patch.c                  |   1 +
 arch/riscv/kernel/smp.c                    |  11 ++-
 arch/riscv/kernel/time.c                   |   9 ++
 arch/riscv/kernel/traps.c                  |   2 -
 arch/riscv/kernel/vdso.c                   |  24 ++++-
 arch/riscv/kernel/vdso/Makefile            |  12 ++-
 arch/riscv/kernel/vdso/clock_getres.S      |  18 ----
 arch/riscv/kernel/vdso/clock_gettime.S     |  18 ----
 arch/riscv/kernel/vdso/gettimeofday.S      |  18 ----
 arch/riscv/kernel/vdso/vdso.lds.S          |   2 +
 arch/riscv/kernel/vdso/vgettimeofday.c     |  25 ++++++
 arch/riscv/mm/init.c                       |  11 ---
 drivers/clocksource/timer-riscv.c          |  43 ++++++++-
 drivers/irqchip/Kconfig                    |  13 +++
 drivers/irqchip/Makefile                   |   1 +
 drivers/irqchip/irq-riscv-intc.c           | 138 +++++++++++++++++++++++++++++
 drivers/irqchip/irq-sifive-plic.c          |  46 +++++-----
 include/linux/cpuhotplug.h                 |   1 +
 31 files changed, 500 insertions(+), 183 deletions(-)
 create mode 100644 arch/riscv/include/asm/clocksource.h
 create mode 100644 arch/riscv/include/asm/vdso/clocksource.h
 create mode 100644 arch/riscv/include/asm/vdso/gettimeofday.h
 create mode 100644 arch/riscv/include/asm/vdso/processor.h
 create mode 100644 arch/riscv/include/asm/vdso/vsyscall.h
 delete mode 100644 arch/riscv/kernel/vdso/clock_getres.S
 delete mode 100644 arch/riscv/kernel/vdso/clock_gettime.S
 delete mode 100644 arch/riscv/kernel/vdso/gettimeofday.S
 create mode 100644 arch/riscv/kernel/vdso/vgettimeofday.c
 create mode 100644 drivers/irqchip/irq-riscv-intc.c