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From: "Shai Fultheim (Shai@ScaleMP.com)" <Shai@ScaleMP.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	"broonie@kernel.org" <broonie@kernel.org>,
	"mhocko@suse.cz" <mhocko@suse.cz>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"mm-commits@vger.kernel.org" <mm-commits@vger.kernel.org>,
	Ravikiran Thirumalai <kiran@scalemp.com>, X86 ML <x86@kernel.org>,
	"'Eial Czerwacki (eial@scalemp.com)'" <eial@scalemp.com>,
	'Oren Twaig' <oren@scalemp.com>
Subject: RE: [PATCH] x86/build: Build VSMP support only if selected
Date: Thu, 1 Nov 2018 10:39:32 +0000	[thread overview]
Message-ID: <SN6PR15MB2366D7688B41535AF0A331F9C3CE0@SN6PR15MB2366.namprd15.prod.outlook.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1811011032190.1642@nanos.tec.linutronix.de>

On 01/11/18 11:37, Thomas Gleixner wrote:

> VSMP support is built even if CONFIG_X86_VSMP is not set. This leads to a build
> breakage when CONFIG_PCI is disabled as well.
> 
> Build VSMP code only when selected.

This patch disables detect_vsmp_box() on systems without CONFIG_X86_VSMP, due to
the recent 6da63eb241a05b0e676d68975e793c0521387141.  This is significant
regression that will affect significant number of deployments.

We will reply shortly with an updated patch that fix the dependency on pv_irq_ops,
and revert to CONFIG_PARAVIRT, with proper protection for CONFIG_PCI.

  reply	other threads:[~2018-11-01 10:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-30 23:09 mmotm 2018-10-30-16-08 uploaded akpm
2018-10-31  3:20 ` mmotm 2018-10-30-16-08 uploaded (arch/x86/kernel/vsmp_64.c) Randy Dunlap
2018-11-01  9:36   ` [PATCH] x86/build: Build VSMP support only if selected Thomas Gleixner
2018-11-01 10:39     ` Shai Fultheim (Shai@ScaleMP.com) [this message]
2018-11-01 13:10       ` Eial Czerwacki
2018-11-01 13:17         ` Thomas Gleixner
2018-11-01 13:45         ` Juergen Gross
2018-11-01 15:09           ` Eial Czerwacki
2018-11-01 15:39             ` Juergen Gross

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