From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3C9DB43712C for ; Fri, 9 Oct 2026 13:38:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791553085; cv=none; b=dhuqvHwjDkVnYSWl/MtZ17vIzSV4YJuNaNJ1uKOG+VTMdJ/z5wHWCCw7tME4JzRCasWbGTLlLW6UsJOOOMwYTdpzj/WkOotc8ZLe7sV5JzYfNwmPjLuV6OMu67FEswfaQDv8+KN5jRtuZOeWfUsXqDnji7RF1pQ3XE4kiSFwTx8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791553085; c=relaxed/simple; bh=D6YCv23vIDOCNfyAf84v3eDVXo5lUxySX5HoBloBXlA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EnZemfoloi08FMAbhZGQDfXuE4tg/2Dm2gidjUjlQEjlk2v7xa7j5N13XqLXTb0BpCu89+Mbot0nKmIUi5gv/Up8H8z0wLn0/E+TRLkKJhhamGhcIYHM/iVsvPYi/fNHbe3ldSdqXcZUFJUQeJZ+IlUiNmVzp+Y0HVpsa3bwtKg= 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+KuC8Q1; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="D+KuC8Q1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D2111F000FF; Fri, 9 Oct 2026 13:38:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791553083; bh=br7/h9CMzB5fuTEO28g1+PfnC3yL5f0JjiAFRvFaz8s=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=D+KuC8Q1FvILg8zl3t1LvibyxauqQYSf3VJQxr0bEWCTjFXJHPxrXYLHIPBQfdYG5 nEtG9+b0+1HwuIST5iGvEL88jqBb+UVJZYsukyAlS6y+DyVreO/gQFU2of9B4ZpyAA RvAEaz0waBN2vjWlkOTTZtQlfXCmYqrkKu3+QA301EHGdp71AhE/ftNszTRc85thvD s7WYlYrRSeg4waXXHPVEsoo8qvYe9YUtLuqzvqgK/CI3YYzx2ClVMhcx9VWK2tzfvG zy0dEdDnhg+im/6CC9M5+z7yKIPj/1oDDgLqyE9inMEc83mYiNpvcIXZmU3aKDG+C9 EVShi0KSRd9kA== Date: Fri, 9 Oct 2026 15:37:58 +0200 From: Thorsten Blum To: Petr Tesarik Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Hans Peter Anvin , Peter Zijlstra , Juergen Gross , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH 1/3] x86/tsc: Replace magic constants with xxx_PER_SEC Message-ID: References: <20261009100436.1133518-1-ptesarik@suse.com> <20261009100436.1133518-2-ptesarik@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261009100436.1133518-2-ptesarik@suse.com> On Fri, Oct 09, 2026 at 12:04:34PM +0200, Petr Tesarik wrote: > Make it clear that these constants refer to the conversion between seconds > and milliseconds or nanoseconds. > > No functional change intended. > > Signed-off-by: Petr Tesarik > --- > arch/x86/kernel/tsc.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c > index 723347e2cf7f8..bac81d37a90ce 100644 > --- a/arch/x86/kernel/tsc.c > +++ b/arch/x86/kernel/tsc.c > @@ -253,7 +253,7 @@ noinstr u64 native_sched_clock(void) > */ > > /* No locking but a rare wrong value is not a big deal: */ > - return (jiffies_64 - INITIAL_JIFFIES) * (1000000000 / HZ); > + return (jiffies_64 - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ); > } Maybe use TICK_NSEC here?