linux-kernel - [PATCH v3 2/2] x86/uapi: fix asm/signal.h userspace compilation error

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Date:   Fri, 3 Mar 2017 03:59:50 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     "H. Peter Anvin" <hpa@...or.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 2/2] x86/uapi: fix asm/signal.h userspace compilation error

Replace size_t with __kernel_uapi_size_t to fix the following
asm/signal.h userspace compilation error:

/usr/include/asm/signal.h:126:2: error: unknown type name 'size_t'
  size_t ss_size;

Signed-off-by: Dmitry V. Levin <ldv@...linux.org>
Link: http://lkml.kernel.org/r/20170302001853.GA27097@altlinux.org
---
 arch/x86/include/uapi/asm/signal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h
index 8264f47..c8b2c95 100644
--- a/arch/x86/include/uapi/asm/signal.h
+++ b/arch/x86/include/uapi/asm/signal.h
@@ -127,7 +127,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_uapi_size_t ss_size;
 } stack_t;
 
 #endif /* __ASSEMBLY__ */
-- 
ldv