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From: Zenghui Yu <zenghui.yu@linux.dev>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: qemu-devel@nongnu.org, Mads Ynddal <mads@ynddal.dk>,
	Peter Maydell <peter.maydell@linaro.org>,
	qemu-arm@nongnu.org, Alexander Graf <agraf@csgraf.de>
Subject: Re: [PATCH 2/2] target/arm: ensure PSCI register updates are flushed
Date: Mon, 8 Dec 2025 23:30:30 +0800	[thread overview]
Message-ID: <ff000682-b14d-4152-88b3-cb2761b60bc1@linux.dev> (raw)
In-Reply-To: <20251205151115.2035930-3-alex.bennee@linaro.org>

Hi Alex,

On 2025/12/5 23:11, Alex Bennée wrote:
> When we handle a host call we report state back to the caller via
> registers. Set vcpu_dirty to indicate QEMU is currently the reference
> and hoist the flush_cpu_state() and make the call unconditional.
> 
> Fixes: https://gitlab.com/qemu-project/qemu/-/issues/3228
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

This fixes the guest boot issue.

However I notice that some (all?) HMP commands (e.g., "info registers")
don't return and result in guest hang. Haven't dig further though.

Thanks,
Zenghui


  reply	other threads:[~2025-12-08 15:31 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-05 15:11 [PATCH 0/2] target/arm: fix for hvf regression in v10.2-rc1 (#3228) Alex Bennée
2025-12-05 15:11 ` [PATCH 1/2] Revert "target/arm: Re-use arm_is_psci_call() in HVF" Alex Bennée
2025-12-09  7:02   ` Philippe Mathieu-Daudé
2025-12-05 15:11 ` [PATCH 2/2] target/arm: ensure PSCI register updates are flushed Alex Bennée
2025-12-08 15:30   ` Zenghui Yu [this message]
2025-12-08 17:08     ` Alex Bennée
2025-12-09  0:54       ` Zenghui Yu
2025-12-09  4:48         ` osy
2025-12-09  7:04       ` Philippe Mathieu-Daudé
2025-12-09  7:04   ` Philippe Mathieu-Daudé

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