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From: Catalin Marinas <catalin.marinas@arm.com>
To: Joey Gouly <joey.gouly@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, nd@arm.com,
	keescook@chromium.org, masahiroy@kernel.org,
	vincenzo.frascino@arm.com, will@kernel.org
Subject: Re: [PATCH v4 0/4] Enable orphan-handling=warn for VDSO
Date: Wed, 27 Apr 2022 19:20:34 +0100	[thread overview]
Message-ID: <YmmJct/DZmV4i4G/@arm.com> (raw)
In-Reply-To: <20220414104611.17748-1-joey.gouly@arm.com>

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'
aarch64-linux-ld: warning: orphan section `.got.plt' from `arch/arm64/kernel/vdso/vgettimeofday.o' being placed in section `.got.plt'
aarch64-linux-ld: warning: orphan section `.plt' from `arch/arm64/kernel/vdso/vgettimeofday.o' being placed in section `.plt'
aarch64-linux-ld: warning: orphan section `.rela.plt' from `arch/arm64/kernel/vdso/vgettimeofday.o' being placed in section `.rela.dyn'
arm-linux-gnueabihf-ld: warning: orphan section `.glue_7' from `linker stubs' being placed in section `.glue_7'
arm-linux-gnueabihf-ld: warning: orphan section `.glue_7t' from `linker stubs' being placed in section `.glue_7t'
arm-linux-gnueabihf-ld: warning: orphan section `.vfp11_veneer' from `linker stubs' being placed in section `.vfp11_veneer'
arm-linux-gnueabihf-ld: warning: orphan section `.v4_bx' from `linker stubs' being placed in section `.v4_bx'
arm-linux-gnueabihf-ld: warning: orphan section `.rel.got' from `arch/arm64/kernel/vdso32/note.o' being placed in section `.rel.dyn'
arm-linux-gnueabihf-ld: warning: orphan section `.got.plt' from `arch/arm64/kernel/vdso32/note.o' being placed in section `.got.plt'
arm-linux-gnueabihf-ld: warning: orphan section `.plt' from `arch/arm64/kernel/vdso32/note.o' being placed in section `.plt'
arm-linux-gnueabihf-ld: warning: orphan section `.iplt' from `arch/arm64/kernel/vdso32/note.o' being placed in section `.iplt'
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?

-- 
Catalin

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  parent reply	other threads:[~2022-04-27 18:22 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-14 10:46 [PATCH v4 0/4] Enable orphan-handling=warn for VDSO Joey Gouly
2022-04-14 10:46 ` [PATCH v4 1/4] arm64: vdso: put ELF related sections in the linker script Joey Gouly
2022-04-14 10:46 ` [PATCH v4 2/4] arm64: vdso: enable orphan handling for VDSO Joey Gouly
2022-04-14 10:46 ` [PATCH v4 3/4] arm64: vdso32: put ELF related sections in the linker script Joey Gouly
2022-04-14 17:22   ` Kees Cook
2022-04-19 11:00   ` Vincenzo Frascino
2022-04-14 10:46 ` [PATCH v4 4/4] arm64: vdso32: enable orphan handling for VDSO Joey Gouly
2022-04-14 17:22   ` Kees Cook
2022-04-19 11:01   ` Vincenzo Frascino
2022-04-19 11:10 ` [PATCH v4 0/4] Enable orphan-handling=warn " Vincenzo Frascino
2022-04-19 12:16   ` Joey Gouly
2022-04-19 12:53     ` Vincenzo Frascino
2022-04-27 18:20 ` Catalin Marinas [this message]
2022-04-28 16:11   ` Joey Gouly

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