From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH v3] ARM64: mmu: implement mmu_disable completely in assembly
Date: Thu, 18 Dec 2025 09:13:52 +0100 [thread overview]
Message-ID: <176604563266.1742864.13948804781110791760.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20251216105242.2722918-1-a.fatoum@pengutronix.de>
On Tue, 16 Dec 2025 11:52:40 +0100, Ahmad Fatoum wrote:
> Splitting mmu_disable into two noinline function on a RK3568 leads to a
> barebox crash, because the code has the implicit assumption that the
> compiler won't generate memory accesses including spilling to stack.
>
> We can't guarantee this in C code, so implement the procedure in
> assembly.
>
> [...]
Applied, thanks!
[1/1] ARM64: mmu: implement mmu_disable completely in assembly
https://git.pengutronix.de/cgit/barebox/commit/?id=3d5c7a8e4afb (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2025-12-18 8:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-16 10:52 Ahmad Fatoum
2025-12-18 8:13 ` Sascha Hauer [this message]
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