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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 20:08:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 20:08:51 -0700 |
| commit | 1064d857738187c764c0bd76040f424397f857c7 (patch) | |
| tree | 13d16c0aed50b64c20b8fe235b15172f3c997f15 /kernel/reboot.c | |
| parent | Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost (diff) | |
| parent | mm: memcontrol: fix NUMA round-robin reclaim at intermediate level (diff) | |
| download | wireguard-linux-1064d857738187c764c0bd76040f424397f857c7.tar.xz wireguard-linux-1064d857738187c764c0bd76040f424397f857c7.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
- a couple of hotfixes
- almost all of the rest of MM
- lib/ updates
- binfmt_elf updates
- autofs updates
- quite a lot of misc fixes and updates
- reiserfs, fatfs
- signals
- exec
- cpumask
- rapidio
- sysctl
- pids
- eventfd
- gcov
- panic
- pps
- gdb script updates
- ipc updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (126 commits)
mm: memcontrol: fix NUMA round-robin reclaim at intermediate level
mm: memcontrol: fix recursive statistics correctness & scalabilty
mm: memcontrol: move stat/event counting functions out-of-line
mm: memcontrol: make cgroup stats and events query API explicitly local
drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl
drivers/virt/fsl_hypervisor.c: dereferencing error pointers in ioctl
mm, memcg: rename ambiguously named memory.stat counters and functions
arch: remove <asm/sizes.h> and <asm-generic/sizes.h>
treewide: replace #include <asm/sizes.h> with #include <linux/sizes.h>
fs/block_dev.c: Remove duplicate header
fs/cachefiles/namei.c: remove duplicate header
include/linux/sched/signal.h: replace `tsk' with `task'
fs/coda/psdev.c: remove duplicate header
ipc: do cyclic id allocation for the ipc object.
ipc: conserve sequence numbers in ipcmni_extend mode
ipc: allow boot time extension of IPCMNI from 32k to 16M
ipc/mqueue: optimize msg_get()
ipc/mqueue: remove redundant wq task assignment
ipc: prevent lockup on alloc_msg and free_msg
scripts/gdb: print cached rate in lx-clk-summary
...
Diffstat (limited to 'kernel/reboot.c')
| -rw-r--r-- | kernel/reboot.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/kernel/reboot.c b/kernel/reboot.c index e1b79b6a2735..b9e79e8c7226 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -31,6 +31,7 @@ EXPORT_SYMBOL(cad_pid); #define DEFAULT_REBOOT_MODE #endif enum reboot_mode reboot_mode DEFAULT_REBOOT_MODE; +enum reboot_mode panic_reboot_mode = REBOOT_UNDEFINED; /* * This variable is used privately to keep track of whether or not @@ -519,6 +520,8 @@ EXPORT_SYMBOL_GPL(orderly_reboot); static int __init reboot_setup(char *str) { for (;;) { + enum reboot_mode *mode; + /* * Having anything passed on the command line via * reboot= will cause us to disable DMI checking @@ -526,17 +529,24 @@ static int __init reboot_setup(char *str) */ reboot_default = 0; + if (!strncmp(str, "panic_", 6)) { + mode = &panic_reboot_mode; + str += 6; + } else { + mode = &reboot_mode; + } + switch (*str) { case 'w': - reboot_mode = REBOOT_WARM; + *mode = REBOOT_WARM; break; case 'c': - reboot_mode = REBOOT_COLD; + *mode = REBOOT_COLD; break; case 'h': - reboot_mode = REBOOT_HARD; + *mode = REBOOT_HARD; break; case 's': @@ -553,11 +563,11 @@ static int __init reboot_setup(char *str) if (rc) return rc; } else - reboot_mode = REBOOT_SOFT; + *mode = REBOOT_SOFT; break; } case 'g': - reboot_mode = REBOOT_GPIO; + *mode = REBOOT_GPIO; break; case 'b': |