[PATCH] uml: add a debugging message (b4cf95c6) · Commits · 戴 / test

Add a debugging message in the case that mapping a stub fails. Signed-off-by:

Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:

arch/um/os-Linux/skas/process.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -419,9 +419,12 @@ void map_stub_pages(int fd, unsigned long code,
		.offset = code_offset
		} } });
		n = os_write_file(fd, &mmop, sizeof(mmop));
		if(n != sizeof(mmop))
		if(n != sizeof(mmop)){
		printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n",
		code, code_fd, (unsigned long long) code_offset);
		panic("map_stub_pages : /proc/mm map for code failed, "
		"err = %d\n", -n);
		}

		if ( stack ) {
		__u64 map_offset;