On 17/12/2019 12:04, Roger Pau Monné wrote: >> diff --git a/xen/arch/x86/acpi/wakeup_prot.S >> b/xen/arch/x86/acpi/wakeup_prot.S >> index 35fd7a5e9f..2f6c8e18ef 100644 >> --- a/xen/arch/x86/acpi/wakeup_prot.S >> +++ b/xen/arch/x86/acpi/wakeup_prot.S >> @@ -11,24 +11,14 @@ >> #define REF(x) x(%rip) >> >> ENTRY(do_suspend_lowlevel) >> + push %rbp >> + push %rbx >> + push %r12 >> + push %r13 >> + push %r14 >> + push %r15 > I was expecting Xen had a macro for this (and the restore > counterpart), but I haven't found any (neither any other places where > it would be useful).
We have macros for saving and restoring all GPRs as part of an exception, but this is just regular function prologue/epilogue logic (which happens to be hand written asm because this function isn't quite a regular function). ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
