| From | Jiri Slaby <> | Subject | [PATCH 3.12 020/182] ARM: 8030/1: ARM : kdump : add arch_crash_save_vmcoreinfo | Date | Tue, 13 May 2014 11:26:12 +0200 |
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From: Liu Hua <sdu.liu@huawei.com>
3.12-stable review patch. If anyone has any objections, please let me know.
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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@arm.com> Signed-off-by: Liu Hua <sdu.liu@huawei.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- 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 57221e349a7c..faa3d4c41ece 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 +} -- 1.9.3
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