[PATCH v21 7/8] arm64: kdump: update a kernel doc
From: geoff@infradead.org (Geoff Levand)
Date: 2016-07-06 17:44:27
Also in:
kexec
On Wed, 2016-07-06 at 16:52 +0900, AKASHI Takahiro wrote:
quoted hunk ↗ jump to hunk
--- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt@@ -18,7 +18,7 @@ memory image to a dump file on the local disk, or across the network to a remote system. Kdump and kexec are currently supported on the x86, x86_64, ppc64, ia64, -s390x and arm architectures. +s390x, arm and arm64 architectures. When the system kernel boots, it reserves a small section of memory for the dump-capture kernel. This ensures that ongoing Direct Memory Access@@ -249,6 +249,13 @@ Dump-capture kernel config options (Arch Dependent, arm) AUTO_ZRELADDR=y +Dump-capture kernel config options (Arch Dependent, arm64) +---------------------------------------------------------- + +- Please note that kvm at the dump-capture kernel will not be enabled
kvm of the dump-capture kernel
+ on non-VHE system even if it is configured. This is because we have
on non-VHE systems
+ no chance to reset CPU state to EL2 on panic.
This is because the CPU state cannot be reset to EL2 on panic.