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AJvYcCXEcNeEMtc/SkAnuimM9eqMrLZWV9dxOM1FHys6eReMUQU2URBi/lPEX/2YrkA6I/K7jOI=@vger.kernel.org X-Gm-Message-State: AOJu0Yw7FB4NzgR+TypguAAf+V3Nc5CBViLP+MojX62q9gC/QjVKyeuU 9qPrAnlY0CcbkoNJEcVYOSMeBW7zjs9rWU3orTINTVNAODArDr5U X-Google-Smtp-Source: AGHT+IG+/2/duswVNRMQPqi7dJBxLOjHFRg2OMC+UJsgcyBymW1Xe8Lm0+fYreIzmeXCFdYIZbELMg== X-Received: by 2002:a17:903:244d:b0:20c:bb35:dae2 with SMTP id d9443c01a7336-210c69e1c8emr316138265ad.28.1730507564784; Fri, 01 Nov 2024 17:32:44 -0700 (PDT) Received: from [192.168.0.235] ([38.34.87.7]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-211057a6592sm26890295ad.166.2024.11.01.17.32.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Nov 2024 17:32:44 -0700 (PDT) Message-ID: <57dfdda6a89819b65be8960c3c6953bb9b8ceed3.camel@gmail.com> Subject: Re: [PATCH bpf-next v1 0/2] Handle possible NULL trusted raw_tp arguments From: Eduard Zingerman To: Alexei Starovoitov , Puranjay Mohan Cc: Kumar Kartikeya Dwivedi , bpf , kkd@meta.com, Alexei Starovoitov , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , Steven Rostedt , Jiri Olsa , Juri Lelli , Kernel Team Date: Fri, 01 Nov 2024 17:32:39 -0700 In-Reply-To: References: <20241101000017.3424165-1-memxor@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.4 (3.52.4-1.fc40) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Fri, 2024-11-01 at 17:29 -0700, Alexei Starovoitov wrote: [...] > Hmm. > Puranjay touched it last with extra logic. >=20 > And before that David Vernet tried to address flakiness > in commit 4a54de65964d. > Yonghong also noticed lockups in paravirt > and added workaround 7015843afc. >=20 > Your additional timeout/workaround makes sense to me, > but would be good to bisect whether Puranjay's change caused it. I'll debug what's going on some time later today or on Sat.