From: Linus Torvalds <torvalds@linux-foundation.org>
To: Andy Lutomirski <luto@kernel.org>
Cc: the arch/x86 maintainers <x86@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Borislav Petkov <bp@alien8.de>,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Nadav Amit <nadav.amit@gmail.com>, Rik van Riel <riel@redhat.com>,
Dave Hansen <dave.hansen@intel.com>,
Arjan van de Ven <arjan@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v3 00/11] PCID and improved laziness
Date: Wed, 21 Jun 2017 11:23:52 -0700 [thread overview]
Message-ID: <CA+55aFy14-DjPqiNhYBug_kK7zWAfvkRS9E5v5vuCgO+OBAJrg@mail.gmail.com> (raw)
In-Reply-To: <cover.1498022414.git.luto@kernel.org>
On Tue, Jun 20, 2017 at 10:22 PM, Andy Lutomirski <luto@kernel.org> wrote:
> There are three performance benefits here:
Side note: can you post the actual performance numbers, even if only
from some silly test program on just one platform? Things like lmbench
pipe benchmark or something?
Or maybe you did, and I just missed it. But when talking about
performance, I'd really like to always see some actual numbers.
Linus
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next prev parent reply other threads:[~2017-06-21 18:23 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-21 5:22 Andy Lutomirski
2017-06-21 5:22 ` [PATCH v3 01/11] x86/mm: Don't reenter flush_tlb_func_common() Andy Lutomirski
2017-06-21 8:01 ` Thomas Gleixner
2017-06-21 8:49 ` Borislav Petkov
2017-06-21 15:15 ` Andy Lutomirski
2017-06-21 23:26 ` Nadav Amit
2017-06-22 2:27 ` Andy Lutomirski
2017-06-22 7:32 ` Ingo Molnar
2017-06-21 5:22 ` [PATCH v3 02/11] x86/ldt: Simplify LDT switching logic Andy Lutomirski
2017-06-21 8:03 ` Thomas Gleixner
2017-06-21 9:40 ` Borislav Petkov
2017-06-21 5:22 ` [PATCH v3 03/11] x86/mm: Remove reset_lazy_tlbstate() Andy Lutomirski
2017-06-21 8:03 ` Thomas Gleixner
2017-06-21 9:50 ` Borislav Petkov
2017-06-21 5:22 ` [PATCH v3 04/11] x86/mm: Give each mm TLB flush generation a unique ID Andy Lutomirski
2017-06-21 8:05 ` Thomas Gleixner
2017-06-21 10:33 ` Borislav Petkov
2017-06-21 15:23 ` Andy Lutomirski
2017-06-21 17:06 ` Borislav Petkov
2017-06-21 17:43 ` Borislav Petkov
2017-06-22 2:34 ` Andy Lutomirski
2017-06-21 5:22 ` [PATCH v3 05/11] x86/mm: Track the TLB's tlb_gen and update the flushing algorithm Andy Lutomirski
2017-06-21 8:32 ` Thomas Gleixner
2017-06-21 15:11 ` Andy Lutomirski
2017-06-21 18:44 ` Borislav Petkov
2017-06-22 2:46 ` Andy Lutomirski
2017-06-22 7:24 ` Borislav Petkov
2017-06-22 14:48 ` Andy Lutomirski
2017-06-22 14:59 ` Borislav Petkov
2017-06-22 15:55 ` Andy Lutomirski
2017-06-22 17:22 ` Borislav Petkov
2017-06-22 18:08 ` Andy Lutomirski
2017-06-23 8:42 ` Borislav Petkov
2017-06-23 15:46 ` Andy Lutomirski
2017-06-21 5:22 ` [PATCH v3 06/11] x86/mm: Rework lazy TLB mode and TLB freshness tracking Andy Lutomirski
2017-06-21 9:01 ` Thomas Gleixner
2017-06-21 16:04 ` Andy Lutomirski
2017-06-21 17:29 ` Borislav Petkov
2017-06-22 14:50 ` Borislav Petkov
2017-06-22 17:47 ` Andy Lutomirski
2017-06-22 19:05 ` Borislav Petkov
2017-07-27 19:53 ` Andrew Banman
2017-07-28 2:05 ` Andy Lutomirski
2017-06-23 13:34 ` Boris Ostrovsky
2017-06-23 15:22 ` Andy Lutomirski
2017-06-21 5:22 ` [PATCH v3 07/11] x86/mm: Stop calling leave_mm() in idle code Andy Lutomirski
2017-06-21 9:22 ` Thomas Gleixner
2017-06-21 15:16 ` Andy Lutomirski
2017-06-23 9:07 ` Borislav Petkov
2017-06-21 5:22 ` [PATCH v3 08/11] x86/mm: Disable PCID on 32-bit kernels Andy Lutomirski
2017-06-21 9:26 ` Thomas Gleixner
2017-06-23 9:24 ` Borislav Petkov
2017-06-21 5:22 ` [PATCH v3 09/11] x86/mm: Add nopcid to turn off PCID Andy Lutomirski
2017-06-21 9:27 ` Thomas Gleixner
2017-06-23 9:34 ` Borislav Petkov
2017-06-21 5:22 ` [PATCH v3 10/11] x86/mm: Enable CR4.PCIDE on supported systems Andy Lutomirski
2017-06-21 9:39 ` Thomas Gleixner
2017-06-21 13:40 ` Thomas Gleixner
2017-06-21 20:34 ` Andy Lutomirski
2017-06-23 11:50 ` Borislav Petkov
2017-06-23 15:28 ` Andy Lutomirski
2017-06-23 13:35 ` Boris Ostrovsky
2017-06-21 5:22 ` [PATCH v3 11/11] x86/mm: Try to preserve old TLB entries using PCID Andy Lutomirski
2017-06-21 13:38 ` Thomas Gleixner
2017-06-21 13:40 ` Thomas Gleixner
2017-06-22 2:57 ` Andy Lutomirski
2017-06-22 12:21 ` Thomas Gleixner
2017-06-22 18:12 ` Andy Lutomirski
2017-06-22 21:22 ` Thomas Gleixner
2017-06-23 3:09 ` Andy Lutomirski
2017-06-23 7:29 ` Thomas Gleixner
2017-06-22 16:09 ` Nadav Amit
2017-06-22 18:10 ` Andy Lutomirski
2017-06-26 15:58 ` Borislav Petkov
2017-06-21 18:23 ` Linus Torvalds [this message]
2017-06-22 5:19 ` [PATCH v3 00/11] PCID and improved laziness Andy Lutomirski
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