From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>,
"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 v4 00/10] PCID and improved laziness
Date: Wed, 5 Jul 2017 09:53:55 -0700 [thread overview]
Message-ID: <CA+55aFyXuKacpuzPhNtnUkOtXKmKAF3vEyVtCtFXpWTH7LZDoQ@mail.gmail.com> (raw)
In-Reply-To: <20170705085657.eghd4xbv7g7shf5v@gmail.com>
On Wed, Jul 5, 2017 at 1:56 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> If it's all super stable I plan to tempt Linus with a late merge window pull
> request for all these preparatory patches. (Unless he objects that is. Hint, hint.)
I don't think I'll object. At some point the best testing is "lots of users".
TLB issues are a bitch to debug, but at the same time this is clearly
a "..but at some point we need to bite the bullet" case. I doubt the
series is going to get a lot better.
But yes, please do give it as much testing as humanly possible even
without the wider coverage by random people.
Linus
WARNING: multiple messages have this Message-ID (diff)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>,
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 v4 00/10] PCID and improved laziness
Date: Wed, 5 Jul 2017 09:53:55 -0700 [thread overview]
Message-ID: <CA+55aFyXuKacpuzPhNtnUkOtXKmKAF3vEyVtCtFXpWTH7LZDoQ@mail.gmail.com> (raw)
In-Reply-To: <20170705085657.eghd4xbv7g7shf5v@gmail.com>
On Wed, Jul 5, 2017 at 1:56 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> If it's all super stable I plan to tempt Linus with a late merge window pull
> request for all these preparatory patches. (Unless he objects that is. Hint, hint.)
I don't think I'll object. At some point the best testing is "lots of users".
TLB issues are a bitch to debug, but at the same time this is clearly
a "..but at some point we need to bite the bullet" case. I doubt the
series is going to get a lot better.
But yes, please do give it as much testing as humanly possible even
without the wider coverage by random people.
Linus
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next prev parent reply other threads:[~2017-07-05 16:53 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-29 15:53 [PATCH v4 00/10] PCID and improved laziness Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 01/10] x86/mm: Don't reenter flush_tlb_func_common() Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-06-30 13:11 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 02/10] x86/mm: Delete a big outdated comment about TLB flushing Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-06-30 13:11 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 03/10] x86/mm: Give each mm TLB flush generation a unique ID Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-05 10:31 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-07-05 10:58 ` Peter Zijlstra
2017-06-29 15:53 ` [PATCH v4 04/10] x86/mm: Track the TLB's tlb_gen and update the flushing algorithm Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-05 10:31 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 05/10] x86/mm: Rework lazy TLB mode and TLB freshness tracking Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-05 10:31 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 06/10] x86/mm: Stop calling leave_mm() in idle code Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-05 10:32 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 07/10] x86/mm: Disable PCID on 32-bit kernels Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-05 10:32 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 08/10] x86/mm: Add nopcid to turn off PCID Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-05 10:32 ` [tip:x86/mm] x86/mm: Add the 'nopcid' boot option " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 09/10] x86/mm: Enable CR4.PCIDE on supported systems Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-05 10:33 ` [tip:x86/mm] " tip-bot for Andy Lutomirski
2017-06-29 15:53 ` [PATCH v4 10/10] x86/mm: Try to preserve old TLB entries using PCID Andy Lutomirski
2017-06-29 15:53 ` Andy Lutomirski
2017-07-03 10:56 ` Thomas Gleixner
2017-07-03 10:56 ` Thomas Gleixner
2017-07-05 12:18 ` Peter Zijlstra
2017-07-05 12:18 ` Peter Zijlstra
2017-07-05 16:04 ` Andy Lutomirski
2017-07-05 16:04 ` Andy Lutomirski
2017-07-05 17:02 ` Peter Zijlstra
2017-07-05 17:02 ` Peter Zijlstra
2017-07-18 8:53 ` Ingo Molnar
2017-07-18 8:53 ` Ingo Molnar
2017-07-18 17:06 ` Andy Lutomirski
2017-07-18 17:06 ` Andy Lutomirski
2017-07-05 12:25 ` Peter Zijlstra
2017-07-05 12:25 ` Peter Zijlstra
2017-07-05 16:10 ` Andy Lutomirski
2017-07-05 16:10 ` Andy Lutomirski
2017-07-28 13:49 ` Peter Zijlstra
2017-07-28 13:49 ` Peter Zijlstra
2017-06-30 12:44 ` [PATCH v4 00/10] PCID and improved laziness Matt Fleming
2017-06-30 12:44 ` Matt Fleming
2017-07-11 11:32 ` Matt Fleming
2017-07-11 11:32 ` Matt Fleming
2017-07-11 15:00 ` Andy Lutomirski
2017-07-11 15:00 ` Andy Lutomirski
2017-07-13 19:36 ` Matt Fleming
2017-07-13 19:36 ` Matt Fleming
2017-07-05 8:56 ` Ingo Molnar
2017-07-05 8:56 ` Ingo Molnar
2017-07-05 16:53 ` Linus Torvalds [this message]
2017-07-05 16:53 ` Linus Torvalds
2017-07-17 9:57 ` Mel Gorman
2017-07-17 9:57 ` Mel Gorman
2017-07-17 15:06 ` Ingo Molnar
2017-07-17 15:06 ` Ingo Molnar
2017-07-17 15:56 ` Mel Gorman
2017-07-17 15:56 ` Mel Gorman
[not found] ` <CALBSrqDW6pGjHxOmzfnkY_KoNeH6F=pTb8-tJ8r-zbu4prw9HQ@mail.gmail.com>
2017-09-12 19:32 ` Sai Praneeth Prakhya
2017-09-12 19:32 ` Sai Praneeth Prakhya
2017-09-12 19:45 ` Andy Lutomirski
2017-09-12 20:28 ` Prakhya, Sai Praneeth
2017-09-13 7:43 ` Ingo Molnar
2017-09-13 7:43 ` Ingo Molnar
2017-09-13 7:45 ` Ingo Molnar
2017-09-13 7:45 ` Ingo Molnar
2017-09-13 4:14 ` Sai Praneeth Prakhya
2017-09-13 4:14 ` Sai Praneeth Prakhya
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