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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Stephen Rothwell <sfr@canb.auug.org.au>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.4 60/98] powerpc/64s: Fix allnoconfig build since uaccess flush
Date:   Tue,  1 Dec 2020 09:53:37 +0100
Message-Id: <20201201084658.030197820@linuxfoundation.org>
In-Reply-To: <20201201084652.827177826@linuxfoundation.org>
References: <20201201084652.827177826@linuxfoundation.org>
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From: Stephen Rothwell <sfr@canb.auug.org.au>

[ Upstream commit b6b79dd53082db11070b4368d85dd6699ff0b063 ]

Using DECLARE_STATIC_KEY_FALSE needs linux/jump_table.h.

Otherwise the build fails with eg:

  arch/powerpc/include/asm/book3s/64/kup-radix.h:66:1: warning: data definition has no type or storage class
     66 | DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);

Fixes: 9a32a7e78bd0 ("powerpc/64s: flush L1D after user accesses")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
[mpe: Massage change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201123184016.693fe464@canb.auug.org.au
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/include/asm/book3s/64/kup-radix.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/include/asm/book3s/64/kup-radix.h b/arch/powerpc/include/asm/book3s/64/kup-radix.h
index c1e45f510591e..a29b64129a7d4 100644
--- a/arch/powerpc/include/asm/book3s/64/kup-radix.h
+++ b/arch/powerpc/include/asm/book3s/64/kup-radix.h
@@ -54,6 +54,8 @@
 
 #else /* !__ASSEMBLY__ */
 
+#include <linux/jump_label.h>
+
 DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);
 
 #ifdef CONFIG_PPC_KUAP
-- 
2.27.0