[Xen-devel] mini-os: C programming

[PUCCETTI Armand <armand.puccetti@xxxxxx>]

2 questions on the code of mini-os (the one in XEN 3.0.3):



1. In xen-3.0.3/extras/mini-os/mm.c:52 is a declaration of stack

extern char *stack;

but in file xen-3.0.3/extras/mini-os/arch/x86/setup.c:48, there is also 
a decl of stack:
char stack[8192];

If one dereferences the variable stack, which is apparently not the case 
yet, it gives surely a segfault!
2. In file xen-3.0.3/extras/mini-os/gnttab.c:140: the const variable 
gnttabop_error_msgs
is declared as

static const char *gnttabop_error_msgs[] = GNTTABOP_error_msgs;

shouldn't that instead be declared:

static const char * const gnttabop_error_msgs[] = GNTTABOP_error_msgs;
?
(BTW, even the first const is useless as there are consts in 
GNTTABOP_error_msgs)
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