drivers/xen/privcmd.c:296:3: error: implicit declaration of function 'pvh

Hi Mukesh,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git linux-next-pvh
head:   4bbc734b89e508f2287c1e6a0ac857f471fb3dc8
commit: c36251726a6d29514161bceaf87a067c177c3aa2 [16/17] PVH privcmd changes
config: x86_64-allmodconfig

All related error/warning messages:

drivers/xen/privcmd.c: In function 'mmap_batch_fn':
drivers/xen/privcmd.c:296:3: error: implicit declaration of function 'pvh_privcmd_resv_pfns' [-Werror=implicit-function-declaration] drivers/xen/privcmd.c:296:41: error: 'm' undeclared (first use in this function)
drivers/xen/privcmd.c:296:41: note: each undeclared identifier is reported only once for each function it appears in drivers/xen/privcmd.c:297:14: error: 'mm' undeclared (first use in this function)
drivers/xen/privcmd.c: At top level:
drivers/xen/privcmd.c:324:12: error: static declaration of 'pvh_privcmd_resv_pfns' follows non-static declaration drivers/xen/privcmd.c:296:14: note: previous implicit declaration of 'pvh_privcmd_resv_pfns' was here drivers/xen/privcmd.c:515:24: error: expected '}' before ';' token
drivers/xen/privcmd.c:324:12: warning: 'pvh_privcmd_resv_pfns' defined but not used [-Wunused-function] drivers/xen/privcmd.c:505:12: warning: 'privcmd_fault' defined but not used [-Wunused-function]
cc1: some warnings being treated as errors

vim +296 drivers/xen/privcmd.c
290 if (st->global_error = 0)
291 st->global_error = 1;
292 }
293 }
294 st->va += PAGE_SIZE;
295 if (xen_pv_domain() && xen_feature(XENFEAT_auto_translated_physmap)) {

297 up_write(&mm->mmap_sem);
298 }
299 }

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Fengguang Wu, Yuanhan Liu Intel Corporation