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[2003:f6:af1b:ce00:e6fe:5f11:c0a7:f4a1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-452fba4621csm131448645e9.13.2025.06.10.06.50.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jun 2025 06:50:54 -0700 (PDT) Date: Tue, 10 Jun 2025 15:50:53 +0200 (CEST) From: Sebastian Ott To: Miguel Luis cc: Marc Zyngier , Oliver Upton , Colton Lewis , Ricardo Koller , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Shuah Khan , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "linux-kselftest@vger.kernel.org" Subject: Re: [PATCH v3 0/4] KVM: arm64: selftests: arch_timer_edge_cases fixes In-Reply-To: Message-ID: <8f15a5d6-0f73-194a-8fa2-b7ba8cc8c5b2@redhat.com> References: <20250605103613.14544-1-sebott@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="-1463806286-426200590-1749563454=:18875" This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---1463806286-426200590-1749563454=:18875 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8BIT Hej Miguel, On Mon, 9 Jun 2025, Miguel Luis wrote: >> On 5 Jun 2025, at 10:36, Sebastian Ott wrote: >> >> Some small fixes for arch_timer_edge_cases that I stumbled upon >> while debugging failures for this selftest on ampere-one. >> > > I’ve tested this test under three circumstances: > > 1) Original (!HAS_EL2 && !HAS_EL2_E2H0) > > 2) HAS_EL2 && HAS_EL2_E2H0 > > 3) HAS_EL2 && !HAS_EL2_E2H0 > > Tests 1) and 2) returned in approx. the same amount of real time (about 12s) although 3) doesn’t > seem to return at all. I've never really looked at nested stuff, I'll try to set smth up and see if I can reproduce that.. Thanks, Sebastian ---1463806286-426200590-1749563454=:18875--