linux-kernel - [PATCH 4.18 144/150] sparc64: Make proc

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Message-Id: <20181102182912.482190237@linuxfoundation.org>
Date:   Fri,  2 Nov 2018 19:35:06 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.18 144/150] sparc64: Make proc_id signed.

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "David S. Miller" <davem@...emloft.net>

[ Upstream commit b3e1eb8e7ac9aaa283989496651d99267c4cad6c ]

So that when it is unset, ie. '-1', userspace can see it
properly.

Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/sparc/include/asm/cpudata_64.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/sparc/include/asm/cpudata_64.h
+++ b/arch/sparc/include/asm/cpudata_64.h
@@ -28,7 +28,7 @@ typedef struct {
 	unsigned short	sock_id;	/* physical package */
 	unsigned short	core_id;
 	unsigned short  max_cache_id;	/* groupings of highest shared cache */
-	unsigned short	proc_id;	/* strand (aka HW thread) id */
+	signed short	proc_id;	/* strand (aka HW thread) id */
 } cpuinfo_sparc;
 
 DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);