xen/include/asm-x86/guest/hyperv-tlfs.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
Clang complains:
In file included from synic.c:15:
/builds/xen-project/xen/xen/include/asm/guest/hyperv-tlfs.h:900:18: error: field 'hv_vp_set' with variable sized type 'struct hv_vpset' not at the end of a struct or class is a GNU extension [-Werror,-Wgnu-variable-sized-type-not-at-end]
struct hv_vpset hv_vp_set;
^
1 error generated.
/builds/xen-project/xen/xen/Rules.mk:198: recipe for target 'synic.o' failed
make[6]: *** [synic.o] Error 1
Comment out the last variable size array from hv_tlb_flush_ex to fix
clang builds.
Signed-off-by: Wei Liu <liuwe@microsoft.com>
Cc: Paul Durrant <paul@xen.org>
---
xen/include/asm-x86/guest/hyperv-tlfs.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/xen/include/asm-x86/guest/hyperv-tlfs.h b/xen/include/asm-x86/guest/hyperv-tlfs.h
index fe9fb232d0..5b43f99de8 100644
--- a/xen/include/asm-x86/guest/hyperv-tlfs.h
+++ b/xen/include/asm-x86/guest/hyperv-tlfs.h
@@ -908,12 +908,12 @@ struct hv_tlb_flush {
u64 gva_list[];
} __packed;
-/* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */
+/* HvFlushVirtualAddressSpaceEx hypercall */
struct hv_tlb_flush_ex {
u64 address_space;
u64 flags;
struct hv_vpset hv_vp_set;
- u64 gva_list[];
+ /* u64 gva_list[]; */
} __packed;
struct hv_partition_assist_pg {
--
2.20.1
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On 23.12.2019 12:03, Wei Liu wrote: > Clang complains: > > In file included from synic.c:15: > /builds/xen-project/xen/xen/include/asm/guest/hyperv-tlfs.h:900:18: error: field 'hv_vp_set' with variable sized type 'struct hv_vpset' not at the end of a struct or class is a GNU extension [-Werror,-Wgnu-variable-sized-type-not-at-end] > struct hv_vpset hv_vp_set; > ^ > 1 error generated. > /builds/xen-project/xen/xen/Rules.mk:198: recipe for target 'synic.o' failed > make[6]: *** [synic.o] Error 1 > > Comment out the last variable size array from hv_tlb_flush_ex to fix > clang builds. > > Signed-off-by: Wei Liu <liuwe@microsoft.com> Reviewed-by: Jan Beulich <jbeulich@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
On Mon, 23 Dec 2019 at 11:03, Wei Liu <wl@xen.org> wrote: > > Clang complains: > > In file included from synic.c:15: > /builds/xen-project/xen/xen/include/asm/guest/hyperv-tlfs.h:900:18: error: field 'hv_vp_set' with variable sized type 'struct hv_vpset' not at the end of a struct or class is a GNU extension [-Werror,-Wgnu-variable-sized-type-not-at-end] > struct hv_vpset hv_vp_set; > ^ > 1 error generated. > /builds/xen-project/xen/xen/Rules.mk:198: recipe for target 'synic.o' failed > make[6]: *** [synic.o] Error 1 > > Comment out the last variable size array from hv_tlb_flush_ex to fix > clang builds. > > Signed-off-by: Wei Liu <liuwe@microsoft.com> > Cc: Paul Durrant <paul@xen.org> Reviewed-by: Paul Durrant <paul@xen.org> > --- > xen/include/asm-x86/guest/hyperv-tlfs.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/xen/include/asm-x86/guest/hyperv-tlfs.h b/xen/include/asm-x86/guest/hyperv-tlfs.h > index fe9fb232d0..5b43f99de8 100644 > --- a/xen/include/asm-x86/guest/hyperv-tlfs.h > +++ b/xen/include/asm-x86/guest/hyperv-tlfs.h > @@ -908,12 +908,12 @@ struct hv_tlb_flush { > u64 gva_list[]; > } __packed; > > -/* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */ > +/* HvFlushVirtualAddressSpaceEx hypercall */ > struct hv_tlb_flush_ex { > u64 address_space; > u64 flags; > struct hv_vpset hv_vp_set; > - u64 gva_list[]; > + /* u64 gva_list[]; */ > } __packed; > > struct hv_partition_assist_pg { > -- > 2.20.1 > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
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