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Thu, 17 Jun 2021 20:35:09 +0000 Subject: Re: [PATCH v16 43/99] target/arm: move a15 cpu model away from the TCG-only models To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , Richard Henderson References: <20210604155312.15902-1-alex.bennee@linaro.org> <20210604155312.15902-44-alex.bennee@linaro.org> <51fbcf63-a205-8848-95f7-b2c7e74754a9@linaro.org> <87v96ce5e0.fsf@linaro.org> From: Claudio Fontana Message-ID: <5710327c-79c4-2feb-2876-3f31ec045e0d@suse.de> Date: Thu, 17 Jun 2021 22:35:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <87v96ce5e0.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=195.135.220.29; envelope-from=cfontana@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -46 X-Spam_score: -4.7 X-Spam_bar: ---- X-Spam_report: (-4.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.254, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 6/17/21 8:01 PM, Alex Bennée wrote: > > Richard Henderson writes: > >> On 6/4/21 8:52 AM, Alex Bennée wrote: >>> From: Claudio Fontana >>> Cortex-A15 is the only ARM cpu class we need in KVM too. >>> We will be able to move it to tcg/ once the board code and >>> configurations >>> are fixed. >>> Signed-off-by: Claudio Fontana >>> Signed-off-by: Alex Bennée >>> --- >>> target/arm/cpu32.h | 4 +++ >>> target/arm/cpu32.c | 73 ++++++++++++++++++++++++++++++++++++++++++++ >>> target/arm/cpu_tcg.c | 67 ---------------------------------------- >>> 3 files changed, 77 insertions(+), 67 deletions(-) >> >> I don't follow this one. Why would kvm, which is 64-bit only, require >> a 32-bit only cpu? >> >> I guess I can accept that our board configurations are old and >> fragile, and I realize there are already 99 bottles of beer on^W^W^W^W >> patches here, but what needs to happen to fix this properly? > > I'll drop this and fix whatever we need to. 32 bit ARM KVM is listed in > removed-features so I think we are good. Problem is, if I recall correctly, that the virt board currently requires an a15 to exist. > >> >> I guess I can give it an >> Acked-by: Richard Henderson >> >> if it helps us move forward. >> >> >> r~ > >