From: Luis Chamberlain <mcgrof@kernel.org>
To: Helge Deller <deller@gmx.de>
Cc: deller@kernel.org, linux-kernel@vger.kernel.org,
Masahiro Yamada <masahiroy@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
linux-modules@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 2/4] modules: Ensure 64-bit alignment on __ksymtab_* sections
Date: Mon, 22 Jan 2024 10:48:57 -0800 [thread overview]
Message-ID: <Za64mVrm528kYoCW@bombadil.infradead.org> (raw)
In-Reply-To: <b5e98501-6262-4b04-bbae-238e4956f904@gmx.de>
On Mon, Jan 22, 2024 at 05:47:49PM +0100, Helge Deller wrote:
> On 1/22/24 17:10, Luis Chamberlain wrote:
> >
> > It's within the noise for x86_64, but given what you suggest
> > for parisc where it is much more expensive, we should see a non-noise
> > delta. Even just time on loading the module should likely result in
> > a considerable delta than on x86_64. You may just need to play a bit
> > with the default values at build time.
>
> I don't know if it will be a "considerable" amount of time.
There are variables which you can tune, so given what you suggest
it should be possible to get to that spot rather easily with a few
changes to the default values I think.
> > If you don't feel like doing that test that's fine too, we can just
> > ignore that.
>
> I can do that test, but I won't have time for that in the next few weeks...
I would appreciate it!
Luis
next prev parent reply other threads:[~2024-01-22 18:48 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-22 22:18 [PATCH 0/4] Section alignment issues? deller
2023-11-22 22:18 ` [PATCH 1/4] linux/export: Fix alignment for 64-bit ksymtab entries deller
2023-12-21 10:22 ` Masahiro Yamada
2023-12-21 16:01 ` Masahiro Yamada
2023-12-22 6:07 ` Luis Chamberlain
2023-12-22 6:08 ` Luis Chamberlain
2023-12-22 7:01 ` Masahiro Yamada
2023-12-22 20:11 ` Luis Chamberlain
2023-12-23 14:35 ` Masahiro Yamada
2023-11-22 22:18 ` [PATCH 2/4] modules: Ensure 64-bit alignment on __ksymtab_* sections deller
2023-12-22 5:59 ` Luis Chamberlain
2023-12-22 12:13 ` Helge Deller
2023-12-22 20:10 ` Luis Chamberlain
2023-12-30 7:33 ` Helge Deller
2024-01-22 16:10 ` Luis Chamberlain
2024-01-22 16:47 ` Helge Deller
2024-01-22 18:48 ` Luis Chamberlain [this message]
2023-11-22 22:18 ` [PATCH 3/4] vmlinux.lds.h: Fix alignment for __ksymtab*, __kcrctab_* and .pci_fixup sections deller
2023-12-21 13:07 ` Masahiro Yamada
2023-12-22 9:02 ` Helge Deller
2023-12-23 4:10 ` Masahiro Yamada
2023-11-22 22:18 ` [PATCH 4/4] modules: Add missing entry for __ex_table deller
2024-01-29 18:50 ` Luis Chamberlain
2023-12-19 21:26 ` [PATCH 0/4] Section alignment issues? Luis Chamberlain
2023-12-20 19:40 ` Luis Chamberlain
2023-12-22 9:13 ` Helge Deller
2023-12-21 13:40 ` Masahiro Yamada
2023-12-21 15:42 ` Masahiro Yamada
2023-12-22 8:23 ` Helge Deller
2023-12-23 1:32 ` Masahiro Yamada
2023-12-22 9:48 ` David Laight
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