linux-kernel - linux-next: build failure after merge of the kbuild tree

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Date:   Fri, 5 Jul 2019 18:31:04 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michael Kelley <mikelley@...rosoft.com>
Subject: linux-next: build failure after merge of the kbuild tree

Hi all,

After merging the kbuild tree, today's linux-next build (powerpc
allyesconfig) failed like this:

In file included from <command-line>:
include/clocksource/hyperv_timer.h:18:10: fatal error: asm/mshyperv.h: No such file or directory
 #include <asm/mshyperv.h>
          ^~~~~~~~~~~~~~~~

Caused by commit

  34085aeb5816 ("kbuild: compile-test kernel headers to ensure they are self-contained")

interacting with commit

  dd2cb348613b ("clocksource/drivers: Continue making Hyper-V clocksource ISA agnostic")

from the tip tree.

I have added the following patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Fri, 5 Jul 2019 18:17:44 +1000
Subject: [PATCH] kbuild: only compile test clocksource/hyperv_timer.h on X86

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 include/Kbuild | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/Kbuild b/include/Kbuild
index 4f9524d92a75..a7ab060552c2 100644
--- a/include/Kbuild
+++ b/include/Kbuild
@@ -29,6 +29,7 @@ header-test-			+= acpi/platform/acintel.h
 header-test-			+= acpi/platform/aclinux.h
 header-test-			+= acpi/platform/aclinuxex.h
 header-test-			+= acpi/processor.h
+header-test-$(CONFIG_X86)	+= clocksource/hyperv_timer.h
 header-test-			+= clocksource/timer-sp804.h
 header-test-			+= crypto/cast_common.h
 header-test-			+= crypto/internal/cryptouser.h
-- 
2.20.1



-- 
Cheers,
Stephen Rothwell

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