From: Thomas Gleixner <tglx@linutronix.de>
To: Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>
Cc: Guenter Roeck <linux@roeck-us.net>, Jens Axboe <axboe@kernel.dk>,
Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Peter Anvin <hpa@zytor.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>
Subject: Re: Linux 6.11-rc1
Date: Wed, 31 Jul 2024 23:47:34 +0200 [thread overview]
Message-ID: <87mslx44jt.ffs@tglx> (raw)
In-Reply-To: <CAHk-=whB1Y6xpfuJ4oT3==Z=gxLirrXxZcSX4HLOfiozi_BmDw@mail.gmail.com>
On Wed, Jul 31 2024 at 14:41, Linus Torvalds wrote:
> On Wed, 31 Jul 2024 at 14:26, Peter Zijlstra <peterz@infradead.org> wrote:
>>
>> x86_64 has everything PMD aligned. It *should* never encounter a PTE.
>
> Ahh. I thought it only aligned the beginning, but yeah, I see that
> ALIGN_ENTRY_TEXT_END is also PMD_SIZE aligned.
>
> That smells of wasted memory, but I guess the TLB advantage is worth it.
It definitely is.
Thanks,
tglx
next prev parent reply other threads:[~2024-07-31 21:47 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-28 21:40 Linux 6.11-rc1 Linus Torvalds
2024-07-29 9:28 ` Build regressions/improvements in v6.11-rc1 Geert Uytterhoeven
2024-07-29 9:35 ` Geert Uytterhoeven
2024-07-29 9:35 ` Geert Uytterhoeven
2024-07-29 9:54 ` Arnd Bergmann
2024-07-29 9:54 ` Arnd Bergmann
2024-07-29 10:07 ` Geert Uytterhoeven
2024-07-29 10:07 ` Geert Uytterhoeven
2024-07-29 15:29 ` Linux 6.11-rc1 Guenter Roeck
2024-07-29 19:23 ` Linus Torvalds
2024-07-29 19:50 ` Linus Torvalds
2024-07-29 21:34 ` Arnd Bergmann
2024-07-29 23:47 ` Linus Torvalds
2024-07-30 15:47 ` Arnd Bergmann
2024-07-30 7:54 ` Peter Zijlstra
2024-07-31 15:45 ` Guenter Roeck
2024-07-30 17:04 ` Guenter Roeck
2024-07-30 17:20 ` Jens Axboe
2024-07-30 18:22 ` Guenter Roeck
2024-07-30 18:35 ` Jens Axboe
2024-07-30 18:54 ` Jens Axboe
2024-07-30 18:53 ` Linus Torvalds
2024-07-30 19:22 ` Peter Zijlstra
2024-07-30 19:31 ` Jens Axboe
2024-07-30 19:34 ` Jens Axboe
2024-07-30 19:38 ` Peter Zijlstra
2024-07-30 19:41 ` Linus Torvalds
2024-07-30 20:04 ` Guenter Roeck
2024-07-30 20:09 ` Peter Zijlstra
2024-07-30 21:12 ` Peter Zijlstra
2024-07-30 23:29 ` Guenter Roeck
2024-07-30 23:54 ` Linus Torvalds
2024-07-31 8:21 ` Borislav Petkov
2024-07-31 9:11 ` Peter Zijlstra
2024-07-31 10:02 ` Borislav Petkov
2024-07-31 14:37 ` Guenter Roeck
2024-07-31 13:24 ` Jens Axboe
2024-07-30 20:13 ` Linus Torvalds
2024-07-30 20:24 ` Guenter Roeck
2024-07-31 12:20 ` Peter Zijlstra
2024-07-31 13:03 ` Thomas Gleixner
2024-07-31 15:55 ` Peter Zijlstra
2024-07-31 16:17 ` Linus Torvalds
2024-07-31 16:31 ` Peter Zijlstra
2024-07-31 16:50 ` Guenter Roeck
2024-07-31 16:51 ` Peter Zijlstra
2024-07-31 17:26 ` Thomas Gleixner
2024-07-31 21:20 ` Peter Zijlstra
2024-07-31 21:23 ` Linus Torvalds
2024-07-31 21:26 ` Peter Zijlstra
2024-07-31 21:41 ` Linus Torvalds
2024-07-31 21:47 ` Thomas Gleixner [this message]
2024-07-31 22:22 ` Guenter Roeck
2024-08-01 8:54 ` Peter Zijlstra
2024-08-01 10:55 ` [tip: x86/urgent] x86/mm: Fix pti_clone_pgtable() alignment assumption tip-bot2 for Peter Zijlstra
2024-08-01 13:03 ` tip-bot2 for Peter Zijlstra
2024-07-31 16:49 ` Linux 6.11-rc1 Guenter Roeck
2024-07-31 17:19 ` Thomas Gleixner
2024-07-31 10:33 ` Peter Zijlstra
2024-07-31 14:15 ` Peter Zijlstra
2024-08-02 17:35 ` Linus Walleij
2024-08-02 19:40 ` Guenter Roeck
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