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Date: Mon, 18 May 2020 19:36:33 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Christoph Hellwig <hch@....de>,
Catalin Marinas <catalin.marinas@....com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.6 103/194] arm64: fix the flush_icache_range arguments in machine_kexec
From: Christoph Hellwig <hch@....de>
[ Upstream commit d51c214541c5154dda3037289ee895ea3ded5ebd ]
The second argument is the end "pointer", not the length.
Fixes: d28f6df1305a ("arm64/kexec: Add core kexec support")
Cc: <stable@...r.kernel.org> # 4.8.x-
Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
arch/arm64/kernel/machine_kexec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index 8e9c924423b4e..a0b144cfaea71 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -177,6 +177,7 @@ void machine_kexec(struct kimage *kimage)
* the offline CPUs. Therefore, we must use the __* variant here.
*/
__flush_icache_range((uintptr_t)reboot_code_buffer,
+ (uintptr_t)reboot_code_buffer +
arm64_relocate_new_kernel_size);
/* Flush the kimage list and its buffers. */
--
2.20.1
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