> > * Changes the syscall prototype and definition to accept the pt_regs > > struct as an argument (into %eax register). > > I forgot to mention that this of course breaks s390 and ppc: you > need to provide an arch-dependent sys_restart() similar to how it's > done here.
Thanks, here's the fixup for powerpc. >From 981dca4f3a879827d6e19a0cf32c7fd25b08a878 Mon Sep 17 00:00:00 2001 From: Nathan Lynch <[email protected]> Date: Mon, 7 Dec 2009 14:51:13 -0600 Subject: [PATCH] checkpoint/powerpc: fix up restart code for ptregscall semantics Signed-off-by: Nathan Lynch <[email protected]> --- arch/powerpc/kernel/process.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 457c269..f9da9eb 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -30,6 +30,7 @@ #include <linux/init_task.h> #include <linux/module.h> #include <linux/kallsyms.h> +#include <linux/checkpoint.h> #include <linux/mqueue.h> #include <linux/hardirq.h> #include <linux/utsname.h> @@ -990,6 +991,25 @@ out: return error; } +int sys_restart(unsigned long a0, unsigned long a1, unsigned long a2, + unsigned long a3, unsigned long a4, unsigned long a5, + struct pt_regs *regs) +{ + unsigned long flags; + pid_t pid; + int logfd; + int fd; + + CHECK_FULL_REGS(regs); + + pid = a0; + fd = a1; + flags = a2; + logfd = a3; + + return do_sys_restart(pid, fd, flags, logfd); +} + #ifdef CONFIG_IRQSTACKS static inline int valid_irq_stack(unsigned long sp, struct task_struct *p, unsigned long nbytes) -- 1.6.0.6 _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
