From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@barebox.org>
Subject: Re: [PATCH master 0/8] ARM: mmu: fix hang reserving memory after text area
Date: Wed, 06 Aug 2025 08:31:16 +0200 [thread overview]
Message-ID: <175446187621.1954232.5137409844451448531.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20250805174541.2606267-1-a.fatoum@barebox.org>
On Tue, 05 Aug 2025 19:45:33 +0200, Ahmad Fatoum wrote:
> The loop remapping the memory banks looks at reserved memory
> regions and then maps everything eXecute Never up to the start of the
> region. If the region happens to be in the same bank as the text area
> and it comes after it, this means the text area is temporarily mapped
> eXecute Never, while barebox is running from it, which results in a
> hang.
>
> [...]
Applied, thanks!
[1/8] partition: rename region_overlap_end to region_overlap_end_inclusive
https://git.pengutronix.de/cgit/barebox/commit/?id=f6c2846933ca (link may not be stable)
[2/8] partition: define new region_overlap_end_exclusive helper
https://git.pengutronix.de/cgit/barebox/commit/?id=768fdb36f30e (link may not be stable)
[3/8] ARM: mmu: skip TLB invalidation if remapping zero bytes
https://git.pengutronix.de/cgit/barebox/commit/?id=b71103970c9b (link may not be stable)
[4/8] ARM64: mmu: pass map type not PTE flags to early_remap_range
https://git.pengutronix.de/cgit/barebox/commit/?id=fda2cc61ef68 (link may not be stable)
[5/8] ARM: mmu: provide setup_trap_pages for both 32- and 64-bit
https://git.pengutronix.de/cgit/barebox/commit/?id=5a4f19a47c21 (link may not be stable)
[6/8] ARM: mmu: setup trap pages before remapping R/O
https://git.pengutronix.de/cgit/barebox/commit/?id=b661f0519424 (link may not be stable)
[7/8] ARM: mmu: share common memory bank remapping code
https://git.pengutronix.de/cgit/barebox/commit/?id=5c4d167f5a54 (link may not be stable)
[8/8] ARM: mmu: fix hang reserving memory after text area
https://git.pengutronix.de/cgit/barebox/commit/?id=e91c073f4756 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2025-08-06 6:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-05 17:45 Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 1/8] partition: rename region_overlap_end to region_overlap_end_inclusive Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 2/8] partition: define new region_overlap_end_exclusive helper Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 3/8] ARM: mmu: skip TLB invalidation if remapping zero bytes Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 4/8] ARM64: mmu: pass map type not PTE flags to early_remap_range Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 5/8] ARM: mmu: provide setup_trap_pages for both 32- and 64-bit Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 6/8] ARM: mmu: setup trap pages before remapping R/O Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 7/8] ARM: mmu: share common memory bank remapping code Ahmad Fatoum
2025-08-05 17:45 ` [PATCH master 8/8] ARM: mmu: fix hang reserving memory after text area Ahmad Fatoum
2025-08-06 6:31 ` Sascha Hauer [this message]
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