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authorLiu Hua <sdu.liu@huawei.com>2014-04-18 07:45:36 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-04-22 22:23:58 +0100
commit56b700fd6f1e49149880fb1b6ffee0dca5be45fb (patch)
tree0165b9342f0fa3da4b844a07c682654bec8f29d1 /arch
parent80bb3ef109ff40a7593d9481c17de9bbc4d7c0e2 (diff)
downloadlinux-56b700fd6f1e49149880fb1b6ffee0dca5be45fb.tar.bz2
ARM: 8030/1: ARM : kdump : add arch_crash_save_vmcoreinfo
For vmcore generated by LPAE enabled kernel, user space utility such as crash needs additional infomation to parse. So this patch add arch_crash_save_vmcoreinfo as what PAE enabled i386 linux does. Cc: <stable@vger.kernel.org> Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Liu Hua <sdu.liu@huawei.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kernel/machine_kexec.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index f0d180d8b29f..8cf0996aa1a8 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -184,3 +184,10 @@ void machine_kexec(struct kimage *image)
soft_restart(reboot_entry_phys);
}
+
+void arch_crash_save_vmcoreinfo(void)
+{
+#ifdef CONFIG_ARM_LPAE
+ VMCOREINFO_CONFIG(ARM_LPAE);
+#endif
+}