Hi Konrad,
FYI, there are new compile warnings show up in
tree: git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/for-linus-3.7
head: cb6b6df111e46b9d0f79eb971575fd50555f43f4
commit: cb6b6df111e46b9d0f79eb971575fd50555f43f4 [35/35] xen/pv-on-hvm kexec: add quirk for Xen 3.4 and shutdown watches.
config: x86_64-allyesconfig # make ARCH=x86_64 allyesconfig
All warnings:
drivers/xen/xenbus/xenbus_xs.c:628:13: warning: function declaration isn't a prototype [-Wstrict-prototypes]
vim +628 drivers/xen/xenbus/xenbus_xs.c
4bac07c9 Jeremy Fitzhardinge 2007-07-17 612 struct xenbus_watch *i, *cmp;
4bac07c9 Jeremy Fitzhardinge 2007-07-17 613
4bac07c9 Jeremy Fitzhardinge 2007-07-17 614 cmp = (void *)simple_strtoul(token, NULL, 16);
4bac07c9 Jeremy Fitzhardinge 2007-07-17 615
4bac07c9 Jeremy Fitzhardinge 2007-07-17 616 list_for_each_entry(i, &watches, list)
4bac07c9 Jeremy Fitzhardinge 2007-07-17 617 if (i == cmp)
4bac07c9 Jeremy Fitzhardinge 2007-07-17 618 return i;
4bac07c9 Jeremy Fitzhardinge 2007-07-17 619
4bac07c9 Jeremy Fitzhardinge 2007-07-17 620 return NULL;
4bac07c9 Jeremy Fitzhardinge 2007-07-17 621 }
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 622 /*
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 623 * Certain older XenBus toolstack cannot handle reading values that are
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 624 * not populated. Some Xen 3.4 installation are incapable of doing this
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 625 * so if we are running on anything older than 4 do not attempt to read
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 626 * control/platform-feature-xs_reset_watches.
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 627 */
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 @628 static bool xen_strict_xenbus_quirk()
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 629 {
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 630 uint32_t eax, ebx, ecx, edx, base;
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 631
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 632 base = xen_cpuid_base();
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 633 cpuid(base + 1, &eax, &ebx, &ecx, &edx);
4bac07c9 Jeremy Fitzhardinge 2007-07-17 634
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 635 if ((eax >> 16) < 4)
cb6b6df1 Konrad Rzeszutek Wilk 2012-10-10 636 return true;
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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