From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 694503ED5C3; Thu, 9 Jul 2026 09:31:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783589476; cv=none; b=eSgz+zPYM7kLZEuuqBfkxVhRWdoQ0zq5H0s1wc8I85iHUWwzWerPFlXBHXqv2Jd7g08sHUOJQ8OUoaZqY+4mhxxQo4qHV6jbpDgQGCH+p4+oHamsJSQFKmRA8Zempsalp12BIAAsYyCkN7KUQBqm2oNlVF6/tJMHiHNp+bzvDXI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783589476; c=relaxed/simple; bh=pjvcfavqalzFYYPXfiF/j8SiY/GjCZduXhZF6KK0QsY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=si/bSDfl/Kl7qp6I1I+v3KVFSF5z/W7BYjYgICPxxDLB5hDooxRL+1mkjXbomDc1NO35dnM7BKFY7J2XYAz10bdZRsBzUZm6bERY0OCULqa1qDdvNAUBtN6whkrkY3uyrs2yAxi6PPiXwIIagHTL8HtW1JC/WEuVoBN7jWT9H6Y= ARC-Authentication-Results:i=1; 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h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=sb5VQIcG+RDKFFkyaNxgvITC2Nqu+OxY4Q5PYwhzsRSczmWOa3n54gzOqXKzNjYTH XgdiANQMXBJhWESzymRVOgoF1VXuA/+obQfN1QVr7ewp+Id6MGhfaf+RkvCGP69Dn2 4tsAP36DXBURUoIOVo/1GW7opSXfIn+u5JBsgPaM= Message-ID: <1b52abeb-39db-4341-87ef-fbc33fe80791@arm.com> Date: Thu, 9 Jul 2026 10:31:12 +0100 Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/6] vDSO: Drop HAVE_GENERIC_VDSO from architecture kconfig files To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Andy Lutomirski , Thomas Gleixner , Thomas Bogendoerfer Cc: linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org References: <20260709-vdso-have_generic_vdso-v1-0-d2e1061f268b@linutronix.de> <20260709-vdso-have_generic_vdso-v1-5-d2e1061f268b@linutronix.de> Content-Language: en-US From: Vincenzo Frascino In-Reply-To: <20260709-vdso-have_generic_vdso-v1-5-d2e1061f268b@linutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 09/07/2026 08:28, Thomas Weißschuh wrote: > Now that GENERIC_GETTIMEOFDAY and VDSO_GETRANDOM enable > HAVE_GENERIC_VDSO automatically, the architecture specific kconfig files > do not need to do so anymore. > > Remove the corresponding lines. > > Keep them for riscv, loongarch and powerpc as those have their own > explicit usage of the vDSO datastore provided by HAVE_GENERIC_VDSO. > > Signed-off-by: Thomas Weißschuh Reviewed-by: Vincenzo Frascino > --- > arch/arm/mm/Kconfig | 1 - > arch/arm64/Kconfig | 1 - > arch/mips/Kconfig | 1 - > arch/riscv/Kconfig | 4 ++-- > arch/s390/Kconfig | 1 - > arch/sparc/Kconfig | 1 - > arch/x86/Kconfig | 1 - > 7 files changed, 2 insertions(+), 8 deletions(-) > > diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig > index 871bd58d2ccc..f7bea397a201 100644 > --- a/arch/arm/mm/Kconfig > +++ b/arch/arm/mm/Kconfig > @@ -924,7 +924,6 @@ config VDSO > bool "Enable VDSO for acceleration of some system calls" > depends on AEABI && MMU && CPU_V7 > default y if ARM_ARCH_TIMER > - select HAVE_GENERIC_VDSO > select GENERIC_GETTIMEOFDAY > help > Place in the process address space an ELF shared object > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index b3afe0688919..11e733b6a3cf 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -229,7 +229,6 @@ config ARM64 > select HAVE_SYSCALL_TRACEPOINTS > select HAVE_KPROBES > select HAVE_KRETPROBES > - select HAVE_GENERIC_VDSO > select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU > select HOTPLUG_SMT if HOTPLUG_CPU > select IRQ_DOMAIN > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 8555bbf47c63..a06f24317306 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -3163,7 +3163,6 @@ config MIPS_EXTERNAL_TIMER > config MIPS_GENERIC_GETTIMEOFDAY > def_bool y > select GENERIC_GETTIMEOFDAY > - select HAVE_GENERIC_VDSO > depends on CSRC_R4K || CLKSRC_MIPS_GIC > # GCC (at least up to version 9.2) appears to emit function calls that make use > # of the GOT when targeting microMIPS, which we can't use in the VDSO due to > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > index 353cbfcff783..9aa8c4df0cd8 100644 > --- a/arch/riscv/Kconfig > +++ b/arch/riscv/Kconfig > @@ -110,7 +110,7 @@ config RISCV > select GENERIC_CPU_VULNERABILITIES > select GENERIC_EARLY_IOREMAP > select GENERIC_ENTRY > - select GENERIC_GETTIMEOFDAY if HAVE_GENERIC_VDSO && 64BIT > + select GENERIC_GETTIMEOFDAY if MMU && 64BIT > select GENERIC_IDLE_POLL_SETUP > select GENERIC_IOREMAP if MMU > select HAVE_IOREMAP_PROT if MMU > @@ -227,7 +227,7 @@ config RISCV > select THREAD_INFO_IN_TASK > select TRACE_IRQFLAGS_SUPPORT > select UACCESS_MEMCPY if !MMU > - select VDSO_GETRANDOM if HAVE_GENERIC_VDSO && 64BIT > + select VDSO_GETRANDOM if MMU && 64BIT > select USER_STACKTRACE_SUPPORT > select ZONE_DMA32 if 64BIT > > diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig > index 84404e6778d5..c9c55e3ddf1d 100644 > --- a/arch/s390/Kconfig > +++ b/arch/s390/Kconfig > @@ -215,7 +215,6 @@ config S390 > select HAVE_FUNCTION_GRAPH_TRACER > select HAVE_FUNCTION_TRACER > select HAVE_GCC_PLUGINS > - select HAVE_GENERIC_VDSO > select HAVE_IOREMAP_PROT if PCI > select HAVE_KERNEL_BZIP2 > select HAVE_KERNEL_GZIP > diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig > index 0e9c906c4b5d..4dd79311133f 100644 > --- a/arch/sparc/Kconfig > +++ b/arch/sparc/Kconfig > @@ -113,7 +113,6 @@ config SPARC64 > select ARCH_SUPPORTS_SCHED_SMT if SMP > select ARCH_SUPPORTS_SCHED_MC if SMP > select ARCH_HAS_LAZY_MMU_MODE > - select HAVE_GENERIC_VDSO > select GENERIC_GETTIMEOFDAY > > config ARCH_PROC_KCORE_TEXT > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index bdad90f210e4..2f4a78024a96 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -302,7 +302,6 @@ config X86 > select HAVE_UNSTABLE_SCHED_CLOCK > select HAVE_UNWIND_USER_FP if X86_64 > select HAVE_USER_RETURN_NOTIFIER > - select HAVE_GENERIC_VDSO > select VDSO_GETRANDOM if X86_64 > select HOTPLUG_PARALLEL if SMP && X86_64 > select HOTPLUG_SMT if SMP > -- Regards, Vincenzo