diff options
author | Liu Hua <sdu.liu@huawei.com> | 2014-04-18 07:45:36 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-06 07:55:27 -0700 |
commit | 674ae6c7b4048c35ce8f090657dd4e2e675bf0fa (patch) | |
tree | 16f7b74fcf7a6e0345d93cd6c4fc179f77d1c800 /arch | |
parent | 4a91c29ca2e7ae1fa4020e334abfc2174d8c6bdf (diff) |
ARM: 8030/1: ARM : kdump : add arch_crash_save_vmcoreinfo
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/kernel/machine_kexec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 163b160c69e..c3ef920823b 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -169,3 +169,10 @@ 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 +} |