linux-hardening - [RFC PATCH 01/13] powerpc/book3s: Add missing <linux/sched.h> include

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Date:   Mon, 28 Nov 2022 13:44:46 +1100
From:   Benjamin Gray <bgray@...ux.ibm.com>
To:     linuxppc-dev@...ts.ozlabs.org
Cc:     ajd@...ux.ibm.com, ruscur@...sell.cc, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org, cmr@...escreens.de,
        Benjamin Gray <bgray@...ux.ibm.com>
Subject: [RFC PATCH 01/13] powerpc/book3s: Add missing <linux/sched.h> include

The functions here use struct thread_struct fields, so need to import
the full definition from <linux/sched.h>. The <asm/current.h> header
that defines current only forward declares struct thread_struct.

Failing to include this <linux/sched.h> header leads to a compilation
error when a translation unit does not also include <linux/sched.h>
indirectly.

Signed-off-by: Benjamin Gray <bgray@...ux.ibm.com>
---
 arch/powerpc/include/asm/book3s/64/kup.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/include/asm/book3s/64/kup.h b/arch/powerpc/include/asm/book3s/64/kup.h
index 54cf46808157..84c09e546115 100644
--- a/arch/powerpc/include/asm/book3s/64/kup.h
+++ b/arch/powerpc/include/asm/book3s/64/kup.h
@@ -194,6 +194,7 @@
 #else /* !__ASSEMBLY__ */
 
 #include <linux/jump_label.h>
+#include <linux/sched.h>
 
 DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);
 
-- 
2.38.1