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From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: "Thomas Weißschuh" <thomas.weissschuh@linutronix.de>,
	"Andy Lutomirski" <luto@kernel.org>,
	"Thomas Gleixner" <tglx@kernel.org>,
	"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>
Cc: linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org
Subject: Re: [PATCH 3/6] MIPS: vdso: Stop using CONFIG_HAVE_GENERIC_VDSO
Date: Thu, 9 Jul 2026 10:29:58 +0100	[thread overview]
Message-ID: <b9748be5-139d-48c8-b0a6-e0975854a0c1@arm.com> (raw)
In-Reply-To: <20260709-vdso-have_generic_vdso-v1-3-d2e1061f268b@linutronix.de>



On 09/07/2026 08:28, Thomas Weißschuh wrote:
> HAVE_GENERIC_VDSO is about to become an implementation detail.
> 
> Use the MIPS-specific symbol instead. It is equivalent here.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>

Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>

> ---
>  arch/mips/kernel/vdso.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
> index bd1fc17d3975..29a10045f2b6 100644
> --- a/arch/mips/kernel/vdso.c
> +++ b/arch/mips/kernel/vdso.c
> @@ -129,7 +129,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
>  	 * This ensures that when the kernel updates the VDSO data userland
>  	 * will observe it without requiring cache invalidations.
>  	 */
> -	if (cpu_has_dc_aliases && IS_ENABLED(CONFIG_HAVE_GENERIC_VDSO)) {
> +	if (cpu_has_dc_aliases && IS_ENABLED(CONFIG_MIPS_GENERIC_GETTIMEOFDAY)) {
>  		base = __ALIGN_MASK(base, shm_align_mask);
>  		base += ((unsigned long)vdso_k_time_data - gic_size) & shm_align_mask;
>  	}
> @@ -137,7 +137,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
>  	data_addr = base + gic_size;
>  	vdso_addr = data_addr + VDSO_NR_PAGES * PAGE_SIZE;
>  
> -	if (IS_ENABLED(CONFIG_HAVE_GENERIC_VDSO)) {
> +	if (IS_ENABLED(CONFIG_MIPS_GENERIC_GETTIMEOFDAY)) {
>  		vma = vdso_install_vvar_mapping(mm, data_addr);
>  		if (IS_ERR(vma)) {
>  			ret = PTR_ERR(vma);
> 

-- 
Regards,
Vincenzo


  reply	other threads:[~2026-07-09  9:30 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-09  7:28 [PATCH 0/6] vDSO: Clean up the HAVE_GENERIC_VDSO kconfig symbol Thomas Weißschuh
2026-07-09  7:28 ` [PATCH 1/6] futex: Remove dependency on HAVE_GENERIC_VDSO from FUTEX_ROBUST_UNLOCK Thomas Weißschuh
2026-07-09  9:27   ` Vincenzo Frascino
2026-07-09  7:28 ` [PATCH 2/6] vDSO: Remove the dependency on HAVE_GENERIC_VDSO from ARCH_HAS_VDSO_ARCH_DATA Thomas Weißschuh
2026-07-09  9:28   ` Vincenzo Frascino
2026-07-09  7:28 ` [PATCH 3/6] MIPS: vdso: Stop using CONFIG_HAVE_GENERIC_VDSO Thomas Weißschuh
2026-07-09  9:29   ` Vincenzo Frascino [this message]
2026-07-09  7:28 ` [PATCH 4/6] vDSO: Automatically select HAVE_GENERIC_VDSO if necessary Thomas Weißschuh
2026-07-09  9:30   ` Vincenzo Frascino
2026-07-09 11:09   ` Philippe Mathieu-Daudé
2026-07-09  7:28 ` [PATCH 5/6] vDSO: Drop HAVE_GENERIC_VDSO from architecture kconfig files Thomas Weißschuh
2026-07-09  9:31   ` Vincenzo Frascino
2026-07-09  7:28 ` [PATCH 6/6] vDSO: Rename HAVE_GENERIC_VDSO to VDSO_DATASTORE Thomas Weißschuh
2026-07-09  9:31   ` Vincenzo Frascino
2026-07-09 11:10   ` Philippe Mathieu-Daudé

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