diff options
author | Christoph Hellwig <hch@lst.de> | 2019-08-13 09:25:01 +0200 |
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committer | Tony Luck <tony.luck@intel.com> | 2019-08-16 11:33:57 -0700 |
commit | cf07cb1ff4ea008abf06c95878c700cf1dd65c3e (patch) | |
tree | 2f2f324bfe52f80bbfee2eeee90e5427ea9346b3 /arch/ia64/include/asm/sn/mspec.h | |
parent | drivers: remove the SGI SN2 IOC4 base support (diff) | |
download | linux-dev-cf07cb1ff4ea008abf06c95878c700cf1dd65c3e.tar.xz linux-dev-cf07cb1ff4ea008abf06c95878c700cf1dd65c3e.zip |
ia64: remove support for the SGI SN2 platform
The SGI SN2 (early Altix) is a very non-standard IA64 platform that was
at the very high end of even IA64 hardware, and has been discontinued
a long time ago. Remove it because there no upstream users left, and it
has magic hooks all over the kernel.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-16-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/include/asm/sn/mspec.h')
-rw-r--r-- | arch/ia64/include/asm/sn/mspec.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/ia64/include/asm/sn/mspec.h b/arch/ia64/include/asm/sn/mspec.h deleted file mode 100644 index c1d3c50c3223..000000000000 --- a/arch/ia64/include/asm/sn/mspec.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (c) 2001-2008 Silicon Graphics, Inc. All rights reserved. - */ - -#ifndef _ASM_IA64_SN_MSPEC_H -#define _ASM_IA64_SN_MSPEC_H - -#define FETCHOP_VAR_SIZE 64 /* 64 byte per fetchop variable */ - -#define FETCHOP_LOAD 0 -#define FETCHOP_INCREMENT 8 -#define FETCHOP_DECREMENT 16 -#define FETCHOP_CLEAR 24 - -#define FETCHOP_STORE 0 -#define FETCHOP_AND 24 -#define FETCHOP_OR 32 - -#define FETCHOP_CLEAR_CACHE 56 - -#define FETCHOP_LOAD_OP(addr, op) ( \ - *(volatile long *)((char*) (addr) + (op))) - -#define FETCHOP_STORE_OP(addr, op, x) ( \ - *(volatile long *)((char*) (addr) + (op)) = (long) (x)) - -#ifdef __KERNEL__ - -/* - * Each Atomic Memory Operation (amo, formerly known as fetchop) - * variable is 64 bytes long. The first 8 bytes are used. The - * remaining 56 bytes are unaddressable due to the operation taking - * that portion of the address. - * - * NOTE: The amo structure _MUST_ be placed in either the first or second - * half of the cache line. The cache line _MUST NOT_ be used for anything - * other than additional amo entries. This is because there are two - * addresses which reference the same physical cache line. One will - * be a cached entry with the memory type bits all set. This address - * may be loaded into processor cache. The amo will be referenced - * uncached via the memory special memory type. If any portion of the - * cached cache-line is modified, when that line is flushed, it will - * overwrite the uncached value in physical memory and lead to - * inconsistency. - */ -struct amo { - u64 variable; - u64 unused[7]; -}; - - -#endif /* __KERNEL__ */ - -#endif /* _ASM_IA64_SN_MSPEC_H */ |