powerpc barrier_nospec [LWN.net]

From:		Michal Suchanek <msuchanek-AT-suse.de>
To:		linuxppc-dev-AT-lists.ozlabs.org
Subject:		[PATCH RFC rebase 0/9] powerpc barrier_nospec
Date:		Thu, 15 Mar 2018 20:15:49 +0100
Message-ID:		<cover.1521141122.git.msuchanek@suse.de>
Cc:		Kate Stewart <kstewart-AT-linuxfoundation.org>, Madhavan Srinivasan <maddy-AT-linux.vnet.ibm.com>, Paul Mackerras <paulus-AT-samba.org>, Michael Neuling <mikey-AT-neuling.org>, "Bryant G. Ly" <bryantly-AT-linux.vnet.ibm.com>, Mahesh Salgaonkar <mahesh-AT-linux.vnet.ibm.com>, "Naveen N. Rao" <naveen.n.rao-AT-linux.vnet.ibm.com>, Daniel Axtens <dja-AT-axtens.net>, Nicholas Piggin <npiggin-AT-gmail.com>, Al Viro <viro-AT-zeniv.linux.org.uk>, David Gibson <david-AT-gibson.dropbear.id.au>, Greg Kroah-Hartman <gregkh-AT-linuxfoundation.org>, linux-kernel-AT-vger.kernel.org, Sergey Senozhatsky <sergey.senozhatsky-AT-gmail.com>, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg-AT-kaod.org>, Masami Hiramatsu <mhiramat-AT-kernel.org>, Andrew Donnellan <andrew.donnellan-AT-au1.ibm.com>, Philippe Ombredanne <pombredanne-AT-nexb.com>, Joe Perches <joe-AT-perches.com>, Oliver O'Halloran <oohall-AT-gmail.com>, Andrew Morton <akpm-AT-linux-foundation.org>, "Tobin C. Harding" <me-AT-tobin.cc>, Michal Suchanek <msuchanek-AT-suse.de>

Yes, it is good idea to add some commit messages.

Also I rebased the patches on top v3 of series

Setup RFI flush after PowerVM LPM migration

Thanks

Michal

Michal Suchanek (9):
  powerpc: Add barrier_nospec
  powerpc: Use barrier_nospec in copy_from_user
  powerpc/64: Use barrier_nospec in syscall entry
  powerpc/64s: Use barrier_nospec in RFI_FLUSH_SLOT
  powerpc/64s: Add support for ori barrier_nospec patching
  powerpc/64: Patch barrier_nospec in modules
  powerpc/64: barrier_nospec: Add debugfs trigger
  powerpc/64s: barrier_nospec: Add hcall triggerr
  powerpc/64: barrier_nospec: Add commandline trigger

 arch/powerpc/include/asm/barrier.h        |  9 ++++
 arch/powerpc/include/asm/exception-64s.h  |  2 +-
 arch/powerpc/include/asm/feature-fixups.h |  9 ++++
 arch/powerpc/include/asm/setup.h          | 11 ++++
 arch/powerpc/include/asm/uaccess.h        | 11 +++-
 arch/powerpc/kernel/entry_64.S            |  3 ++
 arch/powerpc/kernel/module.c              |  6 +++
 arch/powerpc/kernel/setup_64.c            | 87 +++++++++++++++++++++++++++++++
 arch/powerpc/kernel/vmlinux.lds.S         |  7 +++
 arch/powerpc/lib/feature-fixups.c         | 47 ++++++++++++++---
 arch/powerpc/platforms/pseries/mobility.c |  2 +-
 arch/powerpc/platforms/pseries/pseries.h  |  2 +-
 arch/powerpc/platforms/pseries/setup.c    | 37 +++++++++----
 13 files changed, 213 insertions(+), 20 deletions(-)

-- 
2.13.6