On Monday 20 October 2008 13:23 Cedric Le Goater wrote: > Hello Andrey ! > > > diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S > > index 109792b..a4848a3 100644 > > --- a/arch/x86/kernel/entry_32.S > > +++ b/arch/x86/kernel/entry_32.S > > @@ -225,6 +225,7 @@ ENTRY(ret_from_fork) > > GET_THREAD_INFO(%ebp) > > popl %eax > > CFI_ADJUST_CFA_OFFSET -4 > > +ret_from_fork_tail: > > pushl $0x0202 # Reset kernel eflags > > CFI_ADJUST_CFA_OFFSET 4 > > popfl > > @@ -233,6 +234,26 @@ ENTRY(ret_from_fork) > > CFI_ENDPROC > > END(ret_from_fork) > > > > +ENTRY(i386_ret_from_resume) > > + CFI_STARTPROC > > + pushl %eax > > + CFI_ADJUST_CFA_OFFSET 4 > > + call schedule_tail > > + GET_THREAD_INFO(%ebp) > > + popl %eax > > + CFI_ADJUST_CFA_OFFSET -4 > > + movl (%esp), %eax > > + testl %eax, %eax > > + jz 1f > > + pushl %esp > > + call *%eax > > + addl $4, %esp > > +1: > > + addl $256, %esp > > + jmp ret_from_fork_tail > > + CFI_ENDPROC > > +END(i386_ret_from_resume) > > Could you explain why you need to do this > > call *%eax > > is it related to the freezer code ?
It is not related to the freezer code actually. That is needed to restart syscalls. Right now I don't have a code in my patchset which restarts a syscall, but later I plan to add it. In OpenVZ checkpointing we restart syscalls if process was caught in syscall during checkpointing. Andrey _______________________________________________ Devel mailing list Devel@openvz.org https://openvz.org/mailman/listinfo/devel
