diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/sparc/lib/NG4clear_page.S | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/sparc/lib/NG4clear_page.S')
| -rw-r--r-- | kernel/arch/sparc/lib/NG4clear_page.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/kernel/arch/sparc/lib/NG4clear_page.S b/kernel/arch/sparc/lib/NG4clear_page.S new file mode 100644 index 000000000..e16c88204 --- /dev/null +++ b/kernel/arch/sparc/lib/NG4clear_page.S @@ -0,0 +1,29 @@ +/* NG4copy_page.S: Niagara-4 optimized clear page. + * + * Copyright (C) 2012 (davem@davemloft.net) + */ + +#include <asm/asi.h> +#include <asm/page.h> + + .text + + .register %g3, #scratch + + .align 32 + .globl NG4clear_page + .globl NG4clear_user_page +NG4clear_page: /* %o0=dest */ +NG4clear_user_page: /* %o0=dest, %o1=vaddr */ + set PAGE_SIZE, %g7 + mov 0x20, %g3 +1: stxa %g0, [%o0 + %g0] ASI_ST_BLKINIT_MRU_P + subcc %g7, 0x40, %g7 + stxa %g0, [%o0 + %g3] ASI_ST_BLKINIT_MRU_P + bne,pt %xcc, 1b + add %o0, 0x40, %o0 + membar #StoreLoad|#StoreStore + retl + nop + .size NG4clear_page,.-NG4clear_page + .size NG4clear_user_page,.-NG4clear_user_page
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