3.11.10.10 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Liu Hua <sdu.liu@xxxxxxxxxx>
commit 56b700fd6f1e49149880fb1b6ffee0dca5be45fb upstream.
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.
Reviewed-by: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: Liu Hua <sdu.liu@xxxxxxxxxx>
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
arch/arm/kernel/machine_kexec.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 57221e3..faa3d4c 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -181,3 +181,10 @@ void machine_kexec(struct kimage *image)
soft_restart(reboot_code_buffer_phys);
}
+
+void arch_crash_save_vmcoreinfo(void)
+{
+#ifdef CONFIG_ARM_LPAE
+ VMCOREINFO_CONFIG(ARM_LPAE);
+#endif
+}
--
1.9.1
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