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From: yalin wang <yalin.wang2010@gmail.com>
To: catalin.marinas@arm.com, will.deacon@arm.com, zlim.lnx@gmail.com,
	punit.agrawal@arm.com, marc.zyngier@arm.com,
	lauraa@codeaurora.org, wcohen@redhat.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [RFC V2] arm64:use set_fixmap_offset to make it more clear
Date: Fri, 24 Jul 2015 19:52:28 +0800	[thread overview]
Message-ID: <9A8FA704-5D35-404B-BEBE-C92AF25505C3@gmail.com> (raw)
In-Reply-To: <A5D61263-B664-469F-9F49-160D6E17F432@gmail.com>

A little change to patch_map() function,
use set_fixmap_offset() to make code more clear.

Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
---
 arch/arm64/kernel/insn.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index dd9671c..f341866 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -101,9 +101,8 @@ static void __kprobes *patch_map(void *addr, int fixmap)
 		return addr;
 
 	BUG_ON(!page);
-	set_fixmap(fixmap, page_to_phys(page));
-
-	return (void *) (__fix_to_virt(fixmap) + (uintaddr & ~PAGE_MASK));
+	return (void *)set_fixmap_offset(fixmap, page_to_phys(page) +
+			(uintaddr & ~PAGE_MASK));
 }
 
 static void __kprobes patch_unmap(int fixmap)
-- 
1.9.1


  parent reply	other threads:[~2015-07-24 11:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-23 11:45 [RFC] " yalin wang
2015-07-23 13:03 ` Catalin Marinas
2015-07-24  3:56   ` yalin wang
2015-07-24  9:56     ` Mark Rutland
2015-07-24 10:07       ` Mark Rutland
2015-07-24 11:53         ` yalin wang
2015-07-23 15:29 ` Laura Abbott
2015-07-24 11:52 ` yalin wang [this message]
2015-07-28  6:31   ` [RFC V2] " yalin wang
2015-07-28  8:47     ` Will Deacon

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