From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E7E74207A32; Mon, 5 Jan 2026 20:55:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767646518; cv=none; b=X4Lqa0rpDBUNBs6vetmHQjuZpiH7aQcSgGmWQL0FjdskT67XEgsL169+ijMJ4oTY+giqFwAEm6WZzC7pvZMXqU3pTuhUq+DLqWiBuDOJXYDq2KSLrLGFaJySqmXeW0+++1T2b9Fu9R3A90QbOpuyJTnS98TiOppomnmb+/ovHiQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767646518; c=relaxed/simple; bh=X0kZc9BzjwN5JH7faivqULek50zMy1V0qKnPhSZPR40=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Iu9vJioI33soMriooVsrrm1xfACsQ9PuyY9iVRdlBokMNE7FuYJqYYLy39R+hEU/c1DeOZgeDsQwe7a9Lx05rMjLOxJR90QLO9uFCst9UWuLSortXI0hr8n0/ZZUVbRScCBQzX8eE0a0FCbXbO3TVfYeizTLElZBx7bfTMcj/eE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=d+mzFxg2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="d+mzFxg2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE134C116D0; Mon, 5 Jan 2026 20:55:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767646517; bh=X0kZc9BzjwN5JH7faivqULek50zMy1V0qKnPhSZPR40=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=d+mzFxg2snhJMgHzYxsep1urxQ3+v79zFd17Eu5NrQpC2a7sDkFxwkqY6MCNFHhHQ 0oTsesBLF1iss1X4rlnlkvRCzjUWGzNdQV506obKfjc0QkCZI+DjxXnPGQGxHED+A3 tujFZt8Ib24w9bNmWtE1wyXqSW5lAvn/MKtl/mNmHgce5QOgnJ61fLhN58qQxaYuYk vPClOfvEX1NYgrkegC7SBERDPxVnjCOfuPyats2f3xXGYEZd2rpv/fPtMTf3zuvlfH UkwxfK5wqPapHGgkjfNcaBk0rwL0tWXdEGApwuxHH0GwHPCHV0VhYEmjk/BYa9QU+e 7hmEZO0Oj2ZDg== Date: Mon, 5 Jan 2026 20:55:10 +0000 From: Will Deacon To: Thomas =?iso-8859-1?Q?Wei=DFschuh?= Cc: Andy Lutomirski , Thomas Gleixner , Vincenzo Frascino , Shuah Khan , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Russell King , Catalin Marinas , Thomas Bogendoerfer , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, Arnd Bergmann , linux-api@vger.kernel.org Subject: Re: [PATCH 8/9] arm64: vdso32: Provide clock_getres_time64() Message-ID: References: <20251223-vdso-compat-time32-v1-0-97ea7a06a543@linutronix.de> <20251223-vdso-compat-time32-v1-8-97ea7a06a543@linutronix.de> Precedence: bulk X-Mailing-List: linux-api@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20251223-vdso-compat-time32-v1-8-97ea7a06a543@linutronix.de> On Tue, Dec 23, 2025 at 07:59:19AM +0100, Thomas Weißschuh wrote: > For consistency with __vdso_clock_gettime64() there should also be a > 64-bit variant of clock_getres(). This will allow the extension of > CONFIG_COMPAT_32BIT_TIME to the vDSO and finally the removal of 32-bit > time types from the kernel and UAPI. > > Signed-off-by: Thomas Weißschuh > --- > arch/arm64/kernel/vdso32/vdso.lds.S | 1 + > arch/arm64/kernel/vdso32/vgettimeofday.c | 6 ++++++ > 2 files changed, 7 insertions(+) > > diff --git a/arch/arm64/kernel/vdso32/vdso.lds.S b/arch/arm64/kernel/vdso32/vdso.lds.S > index e02b27487ce8..c374fb0146f3 100644 > --- a/arch/arm64/kernel/vdso32/vdso.lds.S > +++ b/arch/arm64/kernel/vdso32/vdso.lds.S > @@ -86,6 +86,7 @@ VERSION > __vdso_gettimeofday; > __vdso_clock_getres; > __vdso_clock_gettime64; > + __vdso_clock_getres_time64; > local: *; > }; > } > diff --git a/arch/arm64/kernel/vdso32/vgettimeofday.c b/arch/arm64/kernel/vdso32/vgettimeofday.c > index 29b4d8f61e39..d7b39b0a9668 100644 > --- a/arch/arm64/kernel/vdso32/vgettimeofday.c > +++ b/arch/arm64/kernel/vdso32/vgettimeofday.c > @@ -32,6 +32,12 @@ int __vdso_clock_getres(clockid_t clock_id, > return __cvdso_clock_getres_time32(clock_id, res); > } > > +int __vdso_clock_getres_time64(clockid_t clock_id, > + struct __kernel_timespec *res) > +{ > + return __cvdso_clock_getres(clock_id, res); > +} > + > /* Avoid unresolved references emitted by GCC */ > > void __aeabi_unwind_cpp_pr0(void) Acked-by: Will Deacon Please merge this along with the 32-bit Arm change, as it doesn't make sense otherwise. Will