From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: Re: [PATCH 1/1] powerpc: Drop version_string placement optimization
Date: Wed, 22 Sep 2021 22:09:27 -0400 [thread overview]
Message-ID: <20210923020927.GA31748@bill-the-cat> (raw)
In-Reply-To: <20210916195648.9424-1-trini@konsulko.com>
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On Thu, Sep 16, 2021 at 03:56:48PM -0400, Tom Rini wrote:
> As explained by Wolfgang, historically PowerPC would do a number of
> things to hand-optimize placement of the binary on NOR flash in order to
> maximize utilization of very scarce resources. These days, we simply
> aren't optimizing our binary layout for NOR flash placement and it's
> quite likely this wasn't working as intended. Furthermore, this level
> of optimization makes it difficult to have version_string be a global,
> instead of a weak and overridden value, and so make more progress on
> reproducible builds, which is a current concern.
>
> Move to having PowerPC no longer store version_string in the early part
> of text so that it might be part of the first page of NOR and instead
> use the same declaration everyone else does.
>
> Link: https://lore.kernel.org/r/96716.1629798400@gemini.denx.de/
> Signed-off-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/next, thanks!
--
Tom
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next prev parent reply other threads:[~2021-09-23 2:12 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-02 13:18 [PATCH 00/11] Reduce usage of timestamp macros Pali Rohár
2021-08-02 13:18 ` [PATCH 01/11] Remove #include <timestamp.h> from files which do not need it Pali Rohár
2021-08-02 13:58 ` Tom Rini
2021-09-23 2:07 ` Tom Rini
2021-08-02 13:18 ` [PATCH 02/11] Remove #include <version.h> " Pali Rohár
2021-08-02 13:58 ` Tom Rini
2021-09-23 2:07 ` Tom Rini
2021-08-02 13:18 ` [PATCH 03/11] efi_loader: Use directly version_string variable Pali Rohár
2021-08-02 20:04 ` Heinrich Schuchardt
2021-08-03 7:37 ` Ilias Apalodimas
2021-09-23 2:07 ` Tom Rini
2021-08-02 13:18 ` [PATCH 04/11] version: Move version_string[] from version.h to version_string.h Pali Rohár
2021-08-02 13:58 ` Tom Rini
2021-09-23 2:08 ` Tom Rini
2021-08-02 13:18 ` [PATCH 05/11] m68k: mcf: Remove overloading version_string Pali Rohár
2021-09-23 2:08 ` Tom Rini
2021-08-02 13:18 ` [PATCH 06/11] version: Put version_string[] variable into section .text_version_string Pali Rohár
2021-08-02 13:58 ` Tom Rini
2021-09-16 17:30 ` [PATCH] xtensa: Put U-Boot version string at correct place by linker script Tom Rini
2021-09-16 19:38 ` Francesco Dolcini
2021-09-16 19:42 ` Tom Rini
2021-09-16 19:50 ` Francesco Dolcini
2021-09-16 20:13 ` Tom Rini
2021-09-16 20:23 ` Francesco Dolcini
2021-09-17 5:21 ` Max Filippov
2021-09-17 12:02 ` Tom Rini
2021-09-17 5:14 ` Max Filippov
2021-09-17 12:04 ` Tom Rini
2021-09-17 12:30 ` Max Filippov
2021-08-02 13:18 ` [PATCH 07/11] powerpc: mpc: " Pali Rohár
2021-08-08 11:20 ` [PATCH v2] " Pali Rohár
2021-08-08 11:36 ` Pali Rohár
2021-08-24 5:03 ` Christophe Leroy
2021-08-24 9:46 ` Wolfgang Denk
2021-08-24 5:28 ` Christophe Leroy
2021-08-24 11:28 ` Pali Rohár
2021-09-16 19:17 ` Tom Rini
2021-09-16 19:56 ` [PATCH 1/1] powerpc: Drop version_string placement optimization Tom Rini
2021-09-23 2:09 ` Tom Rini [this message]
2021-08-02 13:18 ` [PATCH 08/11] version: Do not make version_string[] variable as a weak Pali Rohár
2021-08-02 13:58 ` Tom Rini
2021-09-23 2:08 ` Tom Rini
2021-08-02 13:18 ` [PATCH 09/11] x86: quark: MRC: Remove U_BOOT_DATE and U_BOOT_TIME from debug log Pali Rohár
2021-08-02 19:21 ` Simon Glass
2021-08-02 23:25 ` Bin Meng
2021-09-23 2:08 ` Tom Rini
2021-08-02 13:18 ` [PATCH 10/11] version: Remove global macro U_BOOT_VERSION_STRING from version.h Pali Rohár
2021-08-02 13:59 ` Tom Rini
2021-09-23 2:08 ` Tom Rini
2021-08-02 13:18 ` [PATCH 11/11] Remove including timestamp.h in version.h Pali Rohár
2021-08-02 19:21 ` Simon Glass
2021-08-02 19:42 ` Pali Rohár
2021-08-02 21:31 ` Tom Rini
2021-08-04 5:59 ` Wolfgang Denk
2021-08-04 12:44 ` Tom Rini
2021-08-04 14:36 ` Simon Glass
2021-08-04 14:40 ` Tom Rini
2021-08-04 21:46 ` Pali Rohár
2021-08-04 21:43 ` Sean Anderson
2021-08-04 21:52 ` Pali Rohár
2021-08-04 22:09 ` Tom Rini
2021-08-04 22:14 ` Pali Rohár
2021-08-04 22:15 ` Tom Rini
2021-08-04 22:22 ` Pali Rohár
2021-09-23 2:08 ` Tom Rini
2021-08-17 11:02 ` [PATCH 00/11] Reduce usage of timestamp macros Pali Rohár
2021-08-17 13:40 ` Tom Rini
2021-09-01 20:59 ` Tom Rini
2021-09-01 21:05 ` Pali Rohár
2021-09-01 21:17 ` Tom Rini
2021-09-01 21:28 ` Pali Rohár
2021-09-01 21:33 ` Tom Rini
2021-09-01 21:44 ` Pali Rohár
2021-09-01 21:49 ` Pali Rohár
2021-09-10 20:56 ` Pali Rohár
2021-09-10 21:18 ` Tom Rini
2021-09-01 21:56 ` Tom Rini
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