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
next prev 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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