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Date: Mon, 07 Sep 2020 13:54:33 -0500
From: Mike Travis <mike.travis@....com>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
x86@...nel.org, Steve Wahl <steve.wahl@....com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Andy Lutomirski <luto@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...e.de>
Cc: Dimitri Sivanich <dimitri.sivanich@....com>,
"H. Peter Anvin" <hpa@...or.com>,
Russ Anderson <russ.anderson@....com>,
Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy.shevchenko@...il.com>,
Alexandre Chartre <alexandre.chartre@...cle.com>,
Jian Cai <caij2003@...il.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: [PATCH 03/12] x86/platform/uv: Adjust references in UV kernel modules
There is a symbol clash from the auto-generated uv_mmrs.h file that
clashes with code in the UV kernel modules (is_uv() is the symbol).
Change those prior to the symbol clash so as to not cause a compile error.
Signed-off-by: Mike Travis <mike.travis@....com>
Reviewed-by: Dimitri Sivanich <dimitri.sivanich@....com>
Reviewed-by: Steve Wahl <steve.wahl@....com>
---
drivers/misc/sgi-xp/xp.h | 11 ++++++-----
drivers/misc/sgi-xp/xp_main.c | 7 ++++---
drivers/misc/sgi-xp/xp_uv.c | 9 ++++++---
drivers/misc/sgi-xp/xpc_main.c | 9 +++++----
drivers/misc/sgi-xp/xpc_partition.c | 5 +++--
drivers/misc/sgi-xp/xpnet.c | 5 +++--
6 files changed, 27 insertions(+), 19 deletions(-)
--- linux.orig/drivers/misc/sgi-xp/xp.h
+++ linux/drivers/misc/sgi-xp/xp.h
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2004-2008 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (c) 2018-2020 Hewlett Packard Enterprise Development LP
+ * Copyright (c) 2008-2017 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
@@ -17,11 +18,11 @@
#if defined CONFIG_X86_UV || defined CONFIG_IA64_SGI_UV
#include <asm/uv/uv.h>
-#define is_uv() is_uv_system()
+#define is_uv_sys() is_uv_system()
#endif
-#ifndef is_uv
-#define is_uv() 0
+#ifndef is_uv_sys
+#define is_uv_sys() 0
#endif
#ifdef USE_DBUG_ON
@@ -79,7 +80,7 @@
#define XPC_MSG_SIZE(_payload_size) \
ALIGN(XPC_MSG_HDR_MAX_SIZE + (_payload_size), \
- is_uv() ? 64 : 128)
+ is_uv_sys() ? 64 : 128)
/*
--- linux.orig/drivers/misc/sgi-xp/xp_main.c
+++ linux/drivers/misc/sgi-xp/xp_main.c
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2018-2020 Hewlett Packard Enterprise Development LP
+ * Copyright (c) 2008-2017 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
@@ -233,7 +234,7 @@ xp_init(void)
for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++)
mutex_init(&xpc_registrations[ch_number].mutex);
- if (is_uv())
+ if (is_uv_sys())
ret = xp_init_uv();
else
ret = 0;
@@ -249,7 +250,7 @@ module_init(xp_init);
void __exit
xp_exit(void)
{
- if (is_uv())
+ if (is_uv_sys())
xp_exit_uv();
}
--- linux.orig/drivers/misc/sgi-xp/xp_uv.c
+++ linux/drivers/misc/sgi-xp/xp_uv.c
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2018-2020 Hewlett Packard Enterprise Development LP
+ * Copyright (c) 2008-2017 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
@@ -148,7 +149,9 @@ xp_restrict_memprotect_uv(unsigned long
enum xp_retval
xp_init_uv(void)
{
- BUG_ON(!is_uv());
+ WARN_ON(!is_uv_sys());
+ if (!is_uv_sys())
+ return xpUnsupported;
xp_max_npartitions = XP_MAX_NPARTITIONS_UV;
#ifdef CONFIG_X86
@@ -168,5 +171,5 @@ xp_init_uv(void)
void
xp_exit_uv(void)
{
- BUG_ON(!is_uv());
+ WARN_ON(!is_uv_sys());
}
--- linux.orig/drivers/misc/sgi-xp/xpc_main.c
+++ linux/drivers/misc/sgi-xp/xpc_main.c
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 2004-2009 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2018-2020 Hewlett Packard Enterprise Development LP
+ * Copyright (c) 2008-2017 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
@@ -1043,7 +1044,7 @@ xpc_do_exit(enum xp_retval reason)
xpc_teardown_partitions();
- if (is_uv())
+ if (is_uv_sys())
xpc_exit_uv();
}
@@ -1226,7 +1227,7 @@ xpc_init(void)
dev_set_name(xpc_part, "part");
dev_set_name(xpc_chan, "chan");
- if (is_uv()) {
+ if (is_uv_sys()) {
ret = xpc_init_uv();
} else {
@@ -1312,7 +1313,7 @@ out_2:
xpc_teardown_partitions();
out_1:
- if (is_uv())
+ if (is_uv_sys())
xpc_exit_uv();
return ret;
}
--- linux.orig/drivers/misc/sgi-xp/xpc_partition.c
+++ linux/drivers/misc/sgi-xp/xpc_partition.c
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2018-2020 Hewlett Packard Enterprise Development LP
+ * Copyright (c) 2008-2017 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
@@ -433,7 +434,7 @@ xpc_discovery(void)
*/
region_size = xp_region_size;
- if (is_uv())
+ if (is_uv_sys())
max_regions = 256;
else {
max_regions = 64;
--- linux.orig/drivers/misc/sgi-xp/xpnet.c
+++ linux/drivers/misc/sgi-xp/xpnet.c
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1999-2009 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (c) 2018-2020 Hewlett Packard Enterprise Development LP
+ * Copyright (c) 2008-2017 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
@@ -515,7 +516,7 @@ xpnet_init(void)
{
int result;
- if (!is_uv())
+ if (!is_uv_sys())
return -ENODEV;
dev_info(xpnet, "registering network device %s\n", XPNET_DEVICE_NAME);
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