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Date: Tue, 7 May 2019 20:38:18 +0200
From: Helge Deller <deller@....de>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
linux-kernel@...r.kernel.org, linux-parisc@...r.kernel.org,
James Bottomley <James.Bottomley@...senpartnership.com>,
John David Anglin <dave.anglin@...l.net>,
Sven Schnelle <svens@...ckframe.org>,
Alexandre Ghiti <alex@...ti.fr>,
Mikulas Patocka <mpatocka@...hat.com>
Subject: [GIT PULL] parisc architecture updates for kernel v5.2
Hi Linus,
please pull the parisc architecture updates for kernel 5.2:
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git parisc-5.2-1
Many great new features, fixes and optimizations, including:
- Convert to use per-pagetable spinlocks which overall improves performance on
SMP machines a lot, by Mikulas Patocka
- Kernel debugger (KGDB) support, by Sven Schnelle
- KPROBES support, by Sven Schnelle
- Lots of TLB lock/flush improvements, by Dave Anglin
- Drop DISCONTIGMEM and switch to SPARSEMEM
- Added JUMP_LABEL, branch runtime-patching support
- Lots of other small speedups and cleanups, e.g. for QEMU, stack
randomization, avoidance of name clashes, documentation updates, ...
Thanks,
Helge
----------------------------------------------------------------
Alexandre Ghiti (1):
parisc: Consider stack randomization for mmap base only when necessary
Helge Deller (11):
parisc: Export running_on_qemu symbol for modules
parisc: Tune LASI LAN for QEMU
parisc: Skip registering LED when running in QEMU
parisc: PA-Linux requires at least 32 MB RAM
parisc: Show n/a if product number not available
parisc: Switch from DISCONTIGMEM to SPARSEMEM
parisc: Add memory barrier to asm pdc and sync instructions
parisc: Allow live-patching of __meminit functions
parisc: Rename LEVEL to PA_ASM_LEVEL to avoid name clash with DRBD code
parisc: Use PA_ASM_LEVEL in boot code
parisc: Add static branch and JUMP_LABEL feature
John David Anglin (4):
parisc: Remove lock code to serialize TLB operations in pacache.S
parisc: Use ldcw instruction for SMP spinlock release barrier
parisc: Add memory clobber to TLB purges
parisc: Update huge TLB page support to use per-pagetable spinlock
Mikulas Patocka (1):
parisc: Use per-pagetable spinlock
Sven Schnelle (11):
parisc: add set_fixmap()/clear_fixmap()
parisc: add parisc code patching
parisc: add KGDB support
parisc: add functions required by KPROBE_EVENTS
parisc: Implement kprobes
parisc: remove kprobes.h from generic-y
parisc: Implement kretprobes
doc: update kprobes supported architecture list
parisc: remove unused flags parameter in __patch_text()
parisc: update feature lists
parisc: enable wide mode early
Documentation/features/debug/kgdb/arch-support.txt | 2 +-
.../features/debug/kprobes/arch-support.txt | 2 +-
.../features/debug/kretprobes/arch-support.txt | 2 +-
Documentation/kprobes.txt | 1 +
arch/parisc/Kconfig | 17 +-
arch/parisc/boot/compressed/head.S | 6 +-
arch/parisc/boot/compressed/misc.c | 31 ++-
arch/parisc/include/asm/Kbuild | 1 -
arch/parisc/include/asm/assembly.h | 6 +-
arch/parisc/include/asm/cache.h | 10 +-
arch/parisc/include/asm/fixmap.h | 19 +-
arch/parisc/include/asm/hardware.h | 2 +-
arch/parisc/include/asm/jump_label.h | 43 +++
arch/parisc/include/asm/kgdb.h | 68 +++++
arch/parisc/include/asm/kprobes.h | 55 ++++
arch/parisc/include/asm/mmzone.h | 58 +---
arch/parisc/include/asm/page.h | 4 +-
arch/parisc/include/asm/patch.h | 11 +
arch/parisc/include/asm/pgalloc.h | 1 +
arch/parisc/include/asm/pgtable.h | 69 +++--
arch/parisc/include/asm/ptrace.h | 13 +
arch/parisc/include/asm/sparsemem.h | 14 +
arch/parisc/include/asm/spinlock.h | 4 +
arch/parisc/include/asm/tlbflush.h | 24 +-
arch/parisc/kernel/Makefile | 6 +-
arch/parisc/kernel/cache.c | 15 +-
arch/parisc/kernel/drivers.c | 25 ++
arch/parisc/kernel/entry.S | 51 ++--
arch/parisc/kernel/head.S | 17 +-
arch/parisc/kernel/inventory.c | 7 +
arch/parisc/kernel/jump_label.c | 55 ++++
arch/parisc/kernel/kgdb.c | 209 +++++++++++++++
arch/parisc/kernel/kprobes.c | 291 +++++++++++++++++++++
arch/parisc/kernel/pacache.S | 43 ---
arch/parisc/kernel/parisc_ksyms.c | 6 -
arch/parisc/kernel/patch.c | 77 ++++++
arch/parisc/kernel/process.c | 1 +
arch/parisc/kernel/processor.c | 3 +-
arch/parisc/kernel/ptrace.c | 35 +++
arch/parisc/kernel/setup.c | 6 +
arch/parisc/kernel/sys_parisc.c | 3 +-
arch/parisc/kernel/syscall.S | 18 +-
arch/parisc/kernel/traps.c | 31 +++
arch/parisc/kernel/vmlinux.lds.S | 3 +
arch/parisc/mm/Makefile | 2 +-
arch/parisc/mm/fixmap.c | 41 +++
arch/parisc/mm/hugetlbpage.c | 19 +-
arch/parisc/mm/init.c | 118 ++++-----
drivers/net/ethernet/i825xx/lasi_82596.c | 5 +-
drivers/parisc/led.c | 3 +
50 files changed, 1258 insertions(+), 295 deletions(-)
create mode 100644 arch/parisc/include/asm/jump_label.h
create mode 100644 arch/parisc/include/asm/kgdb.h
create mode 100644 arch/parisc/include/asm/kprobes.h
create mode 100644 arch/parisc/include/asm/patch.h
create mode 100644 arch/parisc/include/asm/sparsemem.h
create mode 100644 arch/parisc/kernel/jump_label.c
create mode 100644 arch/parisc/kernel/kgdb.c
create mode 100644 arch/parisc/kernel/kprobes.c
create mode 100644 arch/parisc/kernel/patch.c
create mode 100644 arch/parisc/mm/fixmap.c
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