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[PULL 03/59] pvpanic: introduce crashloaded for pvpanic
From: |
Paolo Bonzini |
Subject: |
[PULL 03/59] pvpanic: introduce crashloaded for pvpanic |
Date: |
Thu, 23 Jan 2020 14:49:53 +0100 |
From: zhenwei pi <address@hidden>
Add bit 1 for pvpanic. This bit means that guest hits a panic, but
guest wants to handle error by itself. Typical case: Linux guest runs
kdump in panic. It will help us to separate the abnormal reboot from
normal operation.
Signed-off-by: zhenwei pi <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
docs/specs/pvpanic.txt | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/docs/specs/pvpanic.txt b/docs/specs/pvpanic.txt
index c7bbacc..bdea68a 100644
--- a/docs/specs/pvpanic.txt
+++ b/docs/specs/pvpanic.txt
@@ -16,8 +16,12 @@ pvpanic exposes a single I/O port, by default 0x505. On
read, the bits
recognized by the device are set. Software should ignore bits it doesn't
recognize. On write, the bits not recognized by the device are ignored.
Software should set only bits both itself and the device recognize.
-Currently, only bit 0 is recognized, setting it indicates a guest panic
-has happened.
+
+Bit Definition
+--------------
+bit 0: setting it indicates a guest panic has happened.
+bit 1: named crashloaded. setting it indicates a guest panic and run
+ kexec to handle error by guest itself.
ACPI Interface
--------------
--
1.8.3.1
- [PULL v2 00/59] Misc (x86 and QOM) patches for 2020-01-23, Paolo Bonzini, 2020/01/23
- [PULL 01/59] cpu: Introduce cpu_class_set_parent_reset(), Paolo Bonzini, 2020/01/23
- [PULL 02/59] cpu: Use cpu_class_set_parent_reset(), Paolo Bonzini, 2020/01/23
- [PULL 03/59] pvpanic: introduce crashloaded for pvpanic,
Paolo Bonzini <=
- [PULL 04/59] pvpanic: implement crashloaded event handling, Paolo Bonzini, 2020/01/23
- [PULL 05/59] qom/object: Display more helpful message when an interface is missing, Paolo Bonzini, 2020/01/23
- [PULL 07/59] hw/display/tcx: Add missing fall through comments, Paolo Bonzini, 2020/01/23
- [PULL 06/59] audio/audio: Add missing fall through comment, Paolo Bonzini, 2020/01/23
- [PULL 08/59] hw/timer/aspeed_timer: Add a fall through comment, Paolo Bonzini, 2020/01/23
- [PULL 09/59] hw/net/imx_fec: Rewrite fall through comments, Paolo Bonzini, 2020/01/23
- [PULL 10/59] hw/net/imx_fec: Remove unuseful FALLTHROUGH comments, Paolo Bonzini, 2020/01/23
- [PULL 11/59] hw/pci-host/designware: Remove unuseful FALLTHROUGH comment, Paolo Bonzini, 2020/01/23
- [PULL 13/59] Makefile: Clarify all the codebase requires qom/ objects, Paolo Bonzini, 2020/01/23
- [PULL 12/59] configure: Do not build libfdt if not required, Paolo Bonzini, 2020/01/23