From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
mikey@neuling.org, hbabu@us.ibm.com, nicholas.piggin@gmail.com,
linuxppc-dev@ozlabs.org, <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 00/18] powerpc/vas: Add support for FTW
Date: Fri, 6 Oct 2017 19:28:00 -0700 [thread overview]
Message-ID: <1507343298-27496-1-git-send-email-sukadev@linux.vnet.ibm.com> (raw)
The first 10 patches in this set were posted earlier[1] and don't have
any significant changes since then. This set sanitizes cpu/chip id to
VAS id mapping, improves vas_win_close() performance and adds a check
for return of credits and cleans up some code.
Patch 11 adds debugfs support for the VAS window contexts.
Patches 11-18 add support for user space aka Fast thread-wakeup windows
in VAS. These include a patch from Michael Neuling to support emulating
the paste instruction.
Michael Neuling (1):
powerpc: Emulate paste instruction
Sukadev Bhattiprolu (17):
powerpc/vas: init missing fields from [rt]xattr
powerpc/vas: Validate window credits
powerpc/vas: Cleanup some debug code
powerpc/vas: Drop poll_window_cast_out().
powerpc/vas: Use helper to unpin/close window
powerpc/vas: Reduce polling interval for busy state
powerpc/vas: Save configured window credits
powerpc/vas: poll for return of window credits
powerpc/vas: Create cpu to vas id mapping
powerpc/vas, nx-842: Define and use chip_to_vas_id()
powerpc/vas: Export HVWC to debugfs
powerpc: have copy depend on CONFIG_BOOK3S_64
powerpc: Add support for setting SPRN_TIDR
powerpc: Define set_thread_used_vas()
powerpc/vas: Define vas_win_paste_addr()
powerpc/vas: Define vas_win_id()
powerpc/vas: Add support for user receive window
arch/powerpc/include/asm/emulated_ops.h | 1 +
arch/powerpc/include/asm/ppc-opcode.h | 1 +
arch/powerpc/include/asm/processor.h | 3 +
arch/powerpc/include/asm/reg.h | 2 +
arch/powerpc/include/asm/switch_to.h | 5 +
arch/powerpc/include/asm/vas.h | 21 +++
arch/powerpc/kernel/process.c | 160 ++++++++++++++++--
arch/powerpc/kernel/traps.c | 64 ++++++++
arch/powerpc/platforms/powernv/Makefile | 3 +-
arch/powerpc/platforms/powernv/vas-debug.c | 209 ++++++++++++++++++++++++
arch/powerpc/platforms/powernv/vas-window.c | 245 +++++++++++++++++++++++-----
arch/powerpc/platforms/powernv/vas.c | 31 +++-
arch/powerpc/platforms/powernv/vas.h | 95 ++++++-----
drivers/crypto/nx/nx-842-powernv.c | 18 +-
14 files changed, 745 insertions(+), 113 deletions(-)
create mode 100644 arch/powerpc/platforms/powernv/vas-debug.c
--
2.7.4
next reply other threads:[~2017-10-07 2:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-07 2:28 Sukadev Bhattiprolu [this message]
2017-10-07 2:28 ` [PATCH v2 01/18] powerpc/vas: init missing fields from [rt]xattr Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 02/18] powerpc/vas: Validate window credits Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 03/18] powerpc/vas: Cleanup some debug code Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 04/18] powerpc/vas: Drop poll_window_cast_out() Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 05/18] powerpc/vas: Use helper to unpin/close window Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 06/18] powerpc/vas: Reduce polling interval for busy state Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 07/18] powerpc/vas: Save configured window credits Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 08/18] powerpc/vas: poll for return of " Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 09/18] powerpc/vas: Create cpu to vas id mapping Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 10/18] powerpc/vas, nx-842: Define and use chip_to_vas_id() Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 11/18] powerpc/vas: Export HVWC to debugfs Sukadev Bhattiprolu
2017-11-07 12:19 ` Michael Ellerman
2017-10-07 2:28 ` [PATCH v2 12/18] powerpc: have copy depend on CONFIG_BOOK3S_64 Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 13/18] powerpc: Add support for setting SPRN_TIDR Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 14/18] powerpc: Define set_thread_used_vas() Sukadev Bhattiprolu
2017-11-07 0:49 ` Nicholas Piggin
2017-11-09 11:01 ` Michael Ellerman
2017-10-07 2:28 ` [PATCH v2 15/18] powerpc: Emulate paste instruction Sukadev Bhattiprolu
2017-10-09 10:00 ` Michael Neuling
2017-10-10 5:54 ` Michael Ellerman
2017-10-07 2:28 ` [PATCH v2 16/18] powerpc/vas: Define vas_win_paste_addr() Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 17/18] powerpc/vas: Define vas_win_id() Sukadev Bhattiprolu
2017-10-07 2:28 ` [PATCH v2 18/18] powerpc/vas: Add support for user receive window Sukadev Bhattiprolu
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