From: Christoph Hellwig <hch@lst.de>
Date: Sun, 10 May 2020 09:54:41 +0200
Subject: arm64: fix the flush_icache_range arguments in machine_kexec
Git-commit: d51c214541c5154dda3037289ee895ea3ded5ebd
Patch-mainline: v5.7-rc6
References: git-fixes

The second argument is the end "pointer", not the length.

Fixes: d28f6df1305a ("arm64/kexec: Add core kexec support")
Cc: <stable@vger.kernel.org> # 4.8.x-
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ivan T. Ivanov <iivanov@suse.de>
---
 arch/arm64/kernel/machine_kexec.c |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -185,6 +185,7 @@ void machine_kexec(struct kimage *kimage
 	/* Flush the reboot_code_buffer in preparation for its execution. */
 	__flush_dcache_area(reboot_code_buffer, arm64_relocate_new_kernel_size);
 	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. */