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From: Ingo Molnar <mingo@kernel.org>
To: david@ixit.cz
Cc: "Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Borislav Petkov" <bp@alien8.de>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	"Kees Cook" <kees@kernel.org>,
	"Jonathan Cameron" <jic23@kernel.org>,
	"Lars-Peter Clausen" <lars@metafoo.de>,
	linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
	"Mateusz Jończyk" <mat.jonczyk@o2.pl>,
	"Andy Lutomirski" <luto@kernel.org>,
	"Brian Gerst" <brgerst@gmail.com>,
	"Juergen Gross" <jgross@suse.com>,
	"Josh Poimboeuf" <jpoimboe@redhat.com>,
	"Kees Cook" <keescook@chromium.org>
Subject: Re: [PATCH v3 7/7] x86/Kconfig: Document release year of glibc 2.3.3
Date: Sat, 22 Mar 2025 08:28:54 +0100	[thread overview]
Message-ID: <Z95mtpOJTaQIl969@gmail.com> (raw)
In-Reply-To: <20250321-x86_x2apic-v3-7-b0cbaa6fa338@ixit.cz>


* David Heidelberg via B4 Relay <devnull+david.ixit.cz@kernel.org> wrote:

> From: Mateusz Jończyk <mat.jonczyk@o2.pl>
> 
> I wonder how many people were checking their glibc version when
> considering whether to enable this option.
> 
> Signed-off-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
>  arch/x86/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index ba6ba3a7011554d9cb58fb0acf48d541da8ed69b..22dd962f8e5c86741a512e12596bd940cd1dae97 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -2225,7 +2225,7 @@ config HOTPLUG_CPU
>  
>  config COMPAT_VDSO
>  	def_bool n
> -	prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)"
> +	prompt "Workaround for glibc 2.3.2 / 2.3.3 (released in year 2003/2004)"
>  	depends on COMPAT_32
>  	help
>  	  Certain buggy versions of glibc will crash if they are

So I applied this patch, because it's an obvious improvement over the
status quo - but I think we should finally remove COMPAT_VDSO...

Thanks,

	Ingo

  reply	other threads:[~2025-03-22  7:29 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-21 20:48 [PATCH v3 0/7] x86: Kconfig cleanups and help text improvements David Heidelberg via B4 Relay
2025-03-21 20:48 ` [PATCH v3 1/7] x86/Kconfig: Enable X86_X2APIC by default and improve help text David Heidelberg via B4 Relay
2025-03-22 15:45   ` [PATCH] x86/Kconfig: correct X86_X2APIC " Mateusz Jończyk
2025-03-25  7:36     ` [tip: x86/urgent] x86/Kconfig: Correct " tip-bot2 for Mateusz Jończyk
2025-03-25  7:36   ` [tip: x86/urgent] x86/Kconfig: Enable X86_X2APIC by default and improve " tip-bot2 for Mateusz Jończyk
2025-03-21 20:48 ` [PATCH v3 2/7] x86/Kconfig: Always enable ARCH_SPARSEMEM_ENABLE David Heidelberg via B4 Relay
2025-03-25  7:36   ` [tip: x86/urgent] " tip-bot2 for Mateusz Jończyk
2025-03-21 20:48 ` [PATCH v3 3/7] x86/Kconfig: Move all X86_EXTENDED_PLATFORM options together David Heidelberg via B4 Relay
2025-03-25  7:36   ` [tip: x86/urgent] " tip-bot2 for Mateusz Jończyk
2025-03-21 20:48 ` [PATCH v3 4/7] x86/Kconfig: Update lists in X86_EXTENDED_PLATFORM David Heidelberg via B4 Relay
2025-03-22 17:50   ` [PATCH] x86/Kconfig: fix lists in X86_EXTENDED_PLATFORM help text Mateusz Jończyk
2025-03-23  3:14     ` Andy Shevchenko
2025-03-25  7:22       ` Ingo Molnar
2025-03-25 14:14         ` Andy Shevchenko
2025-03-25  7:36     ` [tip: x86/urgent] x86/Kconfig: Fix " tip-bot2 for Mateusz Jończyk
2025-03-25  7:36   ` [tip: x86/urgent] x86/Kconfig: Update lists in X86_EXTENDED_PLATFORM tip-bot2 for Mateusz Jończyk
2025-03-21 20:48 ` [PATCH v3 5/7] x86/Kconfig: Document CONFIG_PCI_MMCONFIG David Heidelberg via B4 Relay
2025-03-22  7:11   ` Ingo Molnar
2025-03-25  7:36   ` [tip: x86/urgent] " tip-bot2 for Mateusz Jończyk
2025-03-21 20:48 ` [PATCH v3 6/7] x86/Kconfig: Make CONFIG_PCI_CNB20LE_QUIRK depend on X86_32 David Heidelberg via B4 Relay
2025-03-25  7:36   ` [tip: x86/urgent] " tip-bot2 for Mateusz Jończyk
2025-03-21 20:48 ` [PATCH v3 7/7] x86/Kconfig: Document release year of glibc 2.3.3 David Heidelberg via B4 Relay
2025-03-22  7:28   ` Ingo Molnar [this message]
2025-03-25  7:36   ` [tip: x86/urgent] " tip-bot2 for Mateusz Jończyk
2025-03-22 15:13 ` [PATCH v3 0/7] x86: Kconfig cleanups and help text improvements Mateusz Jończyk

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