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| author | Balaji Rao <balajirrao@gmail.com> | 2007-12-28 14:26:24 +0530 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-01-30 22:50:04 +1100 |
| commit | ec04b13f67be3c90b38c625f4b8bdfea54c1ff60 (patch) | |
| tree | 7819de21361fdd65487ef75ea9f2b774e4203f83 /arch/x86/lguest | |
| parent | 5c55841d16dbf7c759fa6fb2ecc5e615b86d17db (diff) | |
| download | linux-ec04b13f67be3c90b38c625f4b8bdfea54c1ff60.tar.gz linux-ec04b13f67be3c90b38c625f4b8bdfea54c1ff60.tar.bz2 linux-ec04b13f67be3c90b38c625f4b8bdfea54c1ff60.zip | |
lguest: Reboot support
Reboot Implemented
(Prevent fd leak, fix style and fix documentation --RR)
Signed-off-by: Balaji Rao <balajirrao@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86/lguest')
| -rw-r--r-- | arch/x86/lguest/boot.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 92c56117eae5..d6b18e2e5431 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -67,6 +67,7 @@ #include <asm/mce.h> #include <asm/io.h> #include <asm/i387.h> +#include <asm/reboot.h> /* for struct machine_ops */ /*G:010 Welcome to the Guest! * @@ -812,7 +813,7 @@ static void lguest_safe_halt(void) * rather than virtual addresses, so we use __pa() here. */ static void lguest_power_off(void) { - hcall(LHCALL_CRASH, __pa("Power down"), 0, 0); + hcall(LHCALL_SHUTDOWN, __pa("Power down"), LGUEST_SHUTDOWN_POWEROFF, 0); } /* @@ -822,7 +823,7 @@ static void lguest_power_off(void) */ static int lguest_panic(struct notifier_block *nb, unsigned long l, void *p) { - hcall(LHCALL_CRASH, __pa(p), 0, 0); + hcall(LHCALL_SHUTDOWN, __pa(p), LGUEST_SHUTDOWN_POWEROFF, 0); /* The hcall won't return, but to keep gcc happy, we're "done". */ return NOTIFY_DONE; } @@ -926,6 +927,11 @@ static unsigned lguest_patch(u8 type, u16 clobber, void *ibuf, return insn_len; } +static void lguest_restart(char *reason) +{ + hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0); +} + /*G:030 Once we get to lguest_init(), we know we're a Guest. The pv_ops * structures in the kernel provide points for (almost) every routine we have * to override to avoid privileged instructions. */ @@ -1059,6 +1065,7 @@ __init void lguest_init(void) * the Guest routine to power off. */ pm_power_off = lguest_power_off; + machine_ops.restart = lguest_restart; /* Now we're set up, call start_kernel() in init/main.c and we proceed * to boot as normal. It never returns. */ start_kernel(); |