From: Peter Zijlstra <peterz@infradead.org>
To: dave.hansen@intel.com, luto@kernel.org, peterz@infradead.org
Cc: x86@kernel.org, Tom.StDenis@amd.com, linux-kernel@vger.kernel.org
Subject: [RFC][PATCH 00/10] x86/mm/cpa: Various fixes and improvements
Date: Mon, 03 Dec 2018 18:03:43 +0100 [thread overview]
Message-ID: <20181203170343.054618965@infradead.org> (raw)
With exception of the very first patch, this whole series is probablt RFC at this point.
(and thanks to sending that earlier email saying that I was stumped by this crap,
I instantly spotted my problem)
Dave, I didn't address that tlbinv(0) point you made, mostly because I didn't
have a good answer.
These patches get rid of around ~40 lines of pageattr.c while adding smarts and
removing a few (IMO) warts. The total LoC improvement not quite as impressive
because of the additional lines of selftest.
---
arch/x86/mm/mm_internal.h | 2 +
arch/x86/mm/pageattr-test.c | 31 +++--
arch/x86/mm/pageattr.c | 267 +++++++++++++++++++-------------------------
arch/x86/mm/tlb.c | 4 +-
4 files changed, 143 insertions(+), 161 deletions(-)
next reply other threads:[~2018-12-03 17:14 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-03 17:03 Peter Zijlstra [this message]
2018-12-03 17:03 ` [PATCH 01/10] x86/mm/cpa: Fix cpa_flush_array() TLB invalidation Peter Zijlstra
2018-12-17 18:20 ` [tip:x86/mm] " tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 02/10] x86/mm/cpa: Add ARRAY and PAGES_ARRAY selftests Peter Zijlstra
2018-12-17 18:21 ` [tip:x86/mm] " tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 03/10] x86/mm/cpa: Add __cpa_addr() helper Peter Zijlstra
2018-12-17 18:21 ` [tip:x86/mm] " tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 04/10] x86/mm/cpa: Make cpa_data::vaddr invariant Peter Zijlstra
2018-12-17 18:22 ` [tip:x86/mm] " tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 05/10] x86/mm/cpa: Cleanup Peter Zijlstra
2018-12-17 18:23 ` [tip:x86/mm] x86/mm/cpa: Simplify the code after making cpa->vaddr invariant tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 06/10] x86/mm/cpa: Optimize cpa_flush_array() TLB invalidation Peter Zijlstra
2018-12-17 18:23 ` [tip:x86/mm] " tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 07/10] x86/mm/cpa: Make cpa_data::numpages invariant Peter Zijlstra
2018-12-17 18:24 ` [tip:x86/mm] " tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 08/10] x86/mm/cpa: Fold cpa_flush_range() and cpa_flush_array() Peter Zijlstra
2018-12-17 18:24 ` [tip:x86/mm] x86/mm/cpa: Fold cpa_flush_range() and cpa_flush_array() into a single cpa_flush() function tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 09/10] x86/mm/cpa: Better use clflushopt Peter Zijlstra
2018-12-17 18:25 ` [tip:x86/mm] x86/mm/cpa: Better use CLFLUSHOPT tip-bot for Peter Zijlstra
2018-12-03 17:03 ` [RFC][PATCH 10/10] x86/mm/cpa: Rename @addrinarray Peter Zijlstra
2018-12-17 18:26 ` [tip:x86/mm] x86/mm/cpa: Rename @addrinarray to @numpages tip-bot for Peter Zijlstra
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