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Sat, 30 Nov 2024 03:45:55 -0800 (PST) Received: from google.com ([2401:fa00:8f:203:18ff:40bf:9e68:65f3]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2ee0fad03bcsm6794650a91.33.2024.11.30.03.45.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Nov 2024 03:45:55 -0800 (PST) Date: Sat, 30 Nov 2024 20:45:49 +0900 From: Sergey Senozhatsky To: Thomas Gleixner Cc: 20241015061522.25288-1-rui.zhang@intel.com, Zhang Rui , hpa@zytor.com, peterz@infradead.org, thorsten.blum@toblux.com, yuntao.wang@linux.dev, tony.luck@intel.com, len.brown@intel.com, srinivas.pandruvada@intel.com, linux-kernel@vger.kernel.org, stable@vger.kernel.org, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, rafael.j.wysocki@intel.com, x86@kernel.org, linux-pm@vger.kernel.org, Sergey Senozhatsky Subject: Re: bisected: [PATCH V4] x86/apic: Always explicitly disarm TSC-deadline timer Message-ID: <20241130114549.GI10431@google.com> References: <20241128111844.GE10431@google.com> <87o71xvuf3.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87o71xvuf3.ffs@tglx> On (24/11/30 12:21), Thomas Gleixner wrote: > > WARNING: vmlinux.o(__ex_table+0x447c): Section mismatch in reference from the (unknown reference) (unknown) to the (unknown reference) .irqentry.text:(unknown) > > The relocation at __ex_table+0x447c references > > section ".irqentry.text" which is not in the list of > > authorized sections. > > > > WARNING: vmlinux.o(__ex_table+0x4480): Section mismatch in reference from the (unknown reference) (unknown) to the (unknown reference) .irqentry.text:(unknown) > > The relocation at __ex_table+0x4480 references > > section ".irqentry.text" which is not in the list of > > authorized sections. > > > > FATAL: modpost: Section mismatches detected. > > > > Specifically because of wrmsrl. > > > > I'm aware of the section mismatch errors on linux-5.4 (I know), not > > aware of any other stable versions (but I haven't checked). Is this > > something specific to linux-5.4? > > So it seems the compiler inlines the inner guts of > sysvec_apic_timer_interrupt() and local_apic_timer_interrupt(). > > Can you try the patch below? That works, as far as I can tell, thank you!