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Thu, 28 Apr 2022 16:11:28 +0000 Date: Thu, 28 Apr 2022 17:11:25 +0100 From: Joey Gouly To: Catalin Marinas CC: , , , , , Subject: Re: [PATCH v4 0/4] Enable orphan-handling=warn for VDSO Message-ID: <20220428161125.GA12822@e124191.cambridge.arm.com> References: <20220414104611.17748-1-joey.gouly@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-EOPAttributedMessage: 1 X-MS-Office365-Filtering-Correlation-Id: 1693c89e-5b34-4ed2-842b-08da2931c592 X-MS-TrafficTypeDiagnostic: PAXPR08MB6429:EE_|DB5EUR03FT040:EE_|AS8PR08MB7009:EE_ X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Catalin, On Wed, Apr 27, 2022 at 07:20:34PM +0100, Catalin Marinas wrote: > Hi Joey, > > On Thu, Apr 14, 2022 at 11:46:07AM +0100, Joey Gouly wrote: > > This small series enables the orphan-handling linker flag for the VDSO. > > This could catch subtle errors if features that use special sections are > > introduced into the VDSO implementation. > > Building the 5.18-rc3 kernel with these patches, I get lots of: > > aarch64-linux-ld: warning: orphan section `.rela.got' from `arch/arm64/kernel/vdso/vgettimeofday.o' being placed in section `.rela.dyn' > aarch64-linux-ld: warning: orphan section `.got' from `arch/arm64/kernel/vdso/vgettimeofday.o' being placed in section `.got' [..] > arm-linux-gnueabihf-ld: warning: orphan section `.rel.iplt' from `arch/arm64/kernel/vdso32/note.o' being placed in section `.rel.dyn' > arm-linux-gnueabihf-ld: warning: orphan section `.igot.plt' from `arch/arm64/kernel/vdso32/note.o' being placed in section `.igot.plt' > arm-linux-gnueabihf-ld: warning: orphan section `.rel.text' from `arch/arm64/kernel/vdso32/note.o' being placed in section `.rel.dyn' > > Do they need fixing or there's something wrong with my toolchain? > I can reproduce this with binutils ld, I was previously testing with LLD. Seems to me that LLD discards more sections than ld. I will fix it and send out v5. Thanks, Joey _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel