From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org,
Gustavo Romero <gustavo.romero@linaro.org>
Subject: Re: [PATCH v9 6/6] target/arm: Enable FEAT_MEC in -cpu max
Date: Tue, 19 Aug 2025 08:32:57 +1000 [thread overview]
Message-ID: <a535b980-153f-4329-b0e4-b255a6b858fd@linaro.org> (raw)
In-Reply-To: <CAFEAcA8ez8XW9xn+Q=XwCFf+LObEZN9yQSEmEcy3hXTwYe2tCw@mail.gmail.com>
On 8/18/25 23:42, Peter Maydell wrote:
> Looking at this again, I don't think we should set
> ID_AA64MMFR3_EL1.MEC if RME is not enabled.
>
> I guess the way to do this that fits in with how we
> already handle "user-facing property disabled feature X
> and that means we should also disable feature Y" is
> to put a check in arm_cpu_realizefn() for "if RME
> disabled then squash ID_AA64MMFR3.MEC to 0" ?
Agreed.
r~
next prev parent reply other threads:[~2025-08-18 22:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-27 7:41 [PATCH for-10.2 v9 0/6] target/arm: Add FEAT_MEC to max cpu Richard Henderson
2025-07-27 7:41 ` [PATCH v9 1/6] tests/functional/test_aarch64_device_passthrough: update image Richard Henderson
2025-07-27 7:41 ` [PATCH v9 2/6] tests/functional/test_aarch64_rme: " Richard Henderson
2025-07-28 10:05 ` Philippe Mathieu-Daudé
2025-08-15 16:08 ` Peter Maydell
2025-08-15 16:29 ` Alex Bennée
2025-08-16 0:09 ` Pierrick Bouvier
2025-08-28 8:27 ` Peter Maydell
2025-08-28 14:42 ` Pierrick Bouvier
2025-07-27 7:41 ` [PATCH v9 3/6] target/arm: Implement FEAT_SCTLR2 and enable with -cpu max Richard Henderson
2025-07-27 7:42 ` [PATCH v9 4/6] target/arm: Implement FEAT_TCR2 " Richard Henderson
2025-07-27 7:42 ` [PATCH v9 5/6] target/arm: Implement FEAT_MEC registers Richard Henderson
2025-08-18 13:36 ` Peter Maydell
2025-08-18 15:15 ` Peter Maydell
2025-07-27 7:42 ` [PATCH v9 6/6] target/arm: Enable FEAT_MEC in -cpu max Richard Henderson
2025-08-18 13:42 ` Peter Maydell
2025-08-18 22:32 ` Richard Henderson [this message]
2025-08-15 13:03 ` [PATCH for-10.2 v9 0/6] target/arm: Add FEAT_MEC to max cpu Peter Maydell
2025-08-18 13:44 ` Peter Maydell
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