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From: Marco Felsch <m.felsch@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH master 0/3] Fix GCC 11 THUMB2 relocate_to_current_adr miscompile
Date: Thu, 13 Oct 2022 13:52:14 +0200	[thread overview]
Message-ID: <20221013115214.3bvxg2v3gj653d6s@pengutronix.de> (raw)
In-Reply-To: <20221013090352.562170-1-a.fatoum@pengutronix.de>

Hi Ahmad,
On 22-10-13, Ahmad Fatoum wrote:
> TL;DR: GCC can prove that variables aren't supposed to overlap and as
> such it generated code than readded get_runtime_offset() on top of an
> already relocated linker-defined variable's address.
> See PATCH 2/3 for a disassembly of the affected code. Board code can
> be similarly micompiled, but that's a fix for another day.

I didn't received a 2/3 nor a 1/3 yet. Does it stuck somewhere?

Regards,
  Marco



  parent reply	other threads:[~2022-10-13 11:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-13  9:03 Ahmad Fatoum
2022-10-13  9:03 ` [PATCH master 1/3] include: asm-generic: reloc: implement get_unrelocated() Ahmad Fatoum
2022-10-13  9:03 ` [PATCH master 2/3] ARM: cpu: add compiler barrier around unrelocated access Ahmad Fatoum
2022-10-13  9:03 ` [PATCH master 3/3] RISC-V: add compiler barriers around unrelocated accesses Ahmad Fatoum
2022-10-13 10:36   ` Ahmad Fatoum
2022-10-13 11:52 ` Marco Felsch [this message]
2022-10-13 11:53   ` [PATCH master 0/3] Fix GCC 11 THUMB2 relocate_to_current_adr miscompile Ahmad Fatoum

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