linux-kernel - [PATCH 13/15] mm: allow HMM_MIRROR on all architectures with MMU

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Message-Id: <20190806160554.14046-14-hch@lst.de>
Date:   Tue,  6 Aug 2019 19:05:51 +0300
From:   Christoph Hellwig <hch@....de>
To:     Jérôme Glisse <jglisse@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Felix Kuehling <Felix.Kuehling@....com>
Cc:     Ralph Campbell <rcampbell@...dia.com>, linux-mm@...ck.org,
        nouveau@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH 13/15] mm: allow HMM_MIRROR on all architectures with MMU

There isn't really any architecture specific code in this page table
walk implementation, so drop the dependencies.

Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Jason Gunthorpe <jgg@...lanox.com>
---
 mm/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/Kconfig b/mm/Kconfig
index 56cec636a1fc..b18782be969c 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -677,8 +677,7 @@ config DEV_PAGEMAP_OPS
 
 config HMM_MIRROR
 	bool "HMM mirror CPU page table into a device page table"
-	depends on (X86_64 || PPC64)
-	depends on MMU && 64BIT
+	depends on MMU
 	select MMU_NOTIFIER
 	help
 	  Select HMM_MIRROR if you want to mirror range of the CPU page table of a
-- 
2.20.1