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powerpc/64s: Fix allnoconfig build since uaccess flush

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[ 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>
This commit is contained in:
Stephen Rothwell 2020-11-23 18:40:16 +11:00 • committed by Greg Kroah-Hartman
commit 22f821fa5c
1 changed files with 2 additions and 0 deletions
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arch/powerpc/include/asm/book3s/64/kup-radix.h
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@ -54,6 +54,8 @@
#else /* !__ASSEMBLY__ */
#include <linux/jump_label.h>
DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);
#ifdef CONFIG_PPC_KUAP