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authorAaro Koskinen2019-05-14 15:45:37 -0700
committerLinus Torvalds2019-05-14 19:52:51 -0700
commitb287a25a7148a89d977c819c1f7d6584f875b682 (patch)
tree33dd1e559d6e6d6d1a4f37877a57591051db24ad /Documentation/admin-guide
parentc39ea0b9dd24bf1bf2baa5cdbfa1905f3065347b (diff)
panic/reboot: allow specifying reboot_mode for panic only
Allow specifying reboot_mode for panic only. This is needed on systems where ramoops is used to store panic logs, and user wants to use warm reset to preserve those, while still having cold reset on normal reboots. Link: http://lkml.kernel.org/r/20190322004735.27702-1-aaro.koskinen@iki.fi Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 5be4d3ff5e70..80e40de446c0 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4064,7 +4064,9 @@
[[,]s[mp]#### \
[[,]b[ios] | a[cpi] | k[bd] | t[riple] | e[fi] | p[ci]] \
[[,]f[orce]
- Where reboot_mode is one of warm (soft) or cold (hard) or gpio,
+ Where reboot_mode is one of warm (soft) or cold (hard) or gpio
+ (prefix with 'panic_' to set mode for panic
+ reboot only),
reboot_type is one of bios, acpi, kbd, triple, efi, or pci,
reboot_force is either force or not specified,
reboot_cpu is s[mp]#### with #### being the processor