From f09014e8bea8580223b94bba5892e2b132a683c7 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 18 Oct 2021 15:19:08 +0200 Subject: [PATCH] hyperv/vmbus: include linux/bitops.h [ Upstream commit 8017c99680fa65e1e8d999df1583de476a187830 ] On arm64 randconfig builds, hyperv sometimes fails with this error: In file included from drivers/hv/hv_trace.c:3: In file included from drivers/hv/hyperv_vmbus.h:16: In file included from arch/arm64/include/asm/sync_bitops.h:5: arch/arm64/include/asm/bitops.h:11:2: error: only can be included directly In file included from include/asm-generic/bitops/hweight.h:5: include/asm-generic/bitops/arch_hweight.h:9:9: error: implicit declaration of function '__sw_hweight32' [-Werror,-Wimplicit-function-declaration] include/asm-generic/bitops/atomic.h:17:7: error: implicit declaration of function 'BIT_WORD' [-Werror,-Wimplicit-function-declaration] Include the correct header first. Signed-off-by: Arnd Bergmann Link: https://lore.kernel.org/r/20211018131929.2260087-1-arnd@kernel.org Signed-off-by: Wei Liu Signed-off-by: Sasha Levin --- drivers/hv/hyperv_vmbus.h | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index cabcb66e7c5e..356382a340b2 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -13,6 +13,7 @@ #define _HYPERV_VMBUS_H #include +#include #include #include #include