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SubjectRe: [PATCH] drivers/virt: vm_gen_counter: initial driver implementation
Hi Or,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on v4.16-rc2 next-20180223]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Or-Idgar/drivers-virt-vm_gen_counter-initial-driver-implementation/20180224-112017
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/misc/vmgenid.c:35:15: sparse: incorrect type in assignment (different address spaces) @@ expected struct uuid_t @@ got uct uuid_t @@
drivers/misc/vmgenid.c:35:15: expected struct uuid_t
drivers/misc/vmgenid.c:35:15: got void
>> drivers/misc/vmgenid.c:40:29: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got strvoid @@
drivers/misc/vmgenid.c:40:29: expected void
drivers/misc/vmgenid.c:40:29: got struct uuid_t
drivers/misc/vmgenid.c:51:15: sparse: incorrect type in assignment (different address spaces) @@ expected struct uuid_t @@ got uct uuid_t @@
drivers/misc/vmgenid.c:51:15: expected struct uuid_t
drivers/misc/vmgenid.c:51:15: got void
drivers/misc/vmgenid.c:55:29: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got strvoid @@
drivers/misc/vmgenid.c:55:29: expected void
drivers/misc/vmgenid.c:55:29: got struct uuid_t

vim +35 drivers/misc/vmgenid.c

28
29 static ssize_t generation_id_show(struct device *_d,
30 struct device_attribute *attr, char *buf)
31 {
32 uuid_t *uuidp;
33 ssize_t result;
34
> 35 uuidp = acpi_os_map_iomem(phy_addr, sizeof(uuid_t));
36 if (!uuidp)
37 return -EFAULT;
38
39 result = sprintf(buf, "%pUl\n", uuidp);
> 40 acpi_os_unmap_iomem(uuidp, sizeof(uuid_t));
41 return result;
42 }
43 static DEVICE_ATTR_RO(generation_id);
44

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

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