linux-kernel - [GIT PULL] RISC-V updates for v5.5-rc7

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Date:   Sun, 19 Jan 2020 09:52:16 -0800 (PST)
From:   Paul Walmsley <paul.walmsley@...ive.com>
To:     torvalds@...ux-foundation.org
cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] RISC-V updates for v5.5-rc7

Linus,

The following changes since commit b3a987b0264d3ddbb24293ebff10eddfc472f653:

  Linux 5.5-rc6 (2020-01-12 16:55:08 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv/for-v5.5-rc7

for you to fetch changes up to fc585d4a5cf614727f64d86550b794bcad29d5c3:

  riscv: Less inefficient gcc tishift helpers (and export their symbols) (2020-01-18 19:13:41 -0800)

----------------------------------------------------------------
RISC-V updates for v5.5-rc7

Three fixes for RISC-V:

- Don't free and reuse memory containing the code that CPUs parked at
  boot reside in.

- Fix rv64 build problems for ubsan and some modules by adding logical
  and arithmetic shift helpers for 128-bit values.  These are from
  libgcc and are similar to what's present for ARM64.

- Fix vDSO builds to clean up their own temporary files.

----------------------------------------------------------------
Greentime Hu (1):
      riscv: make sure the cores stay looping in .Lsecondary_park

Ilie Halip (1):
      riscv: delete temporary files

Olof Johansson (1):
      riscv: Less inefficient gcc tishift helpers (and export their symbols)

 arch/riscv/include/asm/asm-prototypes.h |  4 ++
 arch/riscv/kernel/head.S                | 16 ++++---
 arch/riscv/kernel/vdso/Makefile         |  3 +-
 arch/riscv/lib/tishift.S                | 75 +++++++++++++++++++++++++--------
 4 files changed, 73 insertions(+), 25 deletions(-)

Kernel object size difference:
   text	   data	    bss	    dec	    hex	filename
6896935	2329912	 313920	9540767	 91949f	vmlinux.rv64.orig
6897193	2325848	 313920	9536961	 9185c1	vmlinux.rv64.patched
6657458	1939044	 257576	8854078	 871a3e	vmlinux.rv32.orig
6657464	1939044	 257576	8854084	 871a44	vmlinux.rv32.patched
1171666	 353420	 130024	1655110	 194146	vmlinux.nommu_virt.orig
1171758	 353420	 130024	1655202	 1941a2	vmlinux.nommu_virt.patched