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| author | Zhigang Lu <zlu@ezchip.com> | 2015-09-30 05:11:45 +0300 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@ezchip.com> | 2016-01-04 23:09:31 +0300 |
| commit | 65a792e84f25d1436698f999224b2cf5d7594546 (patch) | |
| tree | fe87043a2d810dbb94fde139db4f6ea3da0e0a25 /arch/tile/kernel/ftrace.c | |
| parent | f419e6f63c5afea00d7c17ebf54f2d265f5c4d7e (diff) | |
| download | linux-65a792e84f25d1436698f999224b2cf5d7594546.tar.xz | |
tile/jump_label: add jump label support for TILE-Gx
Add the arch-specific code to support jump label for TILE-Gx. This
code shares NOP instruction with ftrace, so we move it to a common
header file.
Reviewed-by: Chris Metcalf <cmetcalf@ezchip.com>
Signed-off-by: Zhigang Lu <zlu@ezchip.com>
Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
Diffstat (limited to 'arch/tile/kernel/ftrace.c')
| -rw-r--r-- | arch/tile/kernel/ftrace.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/tile/kernel/ftrace.c b/arch/tile/kernel/ftrace.c index 4180ccdf9cd0..4a572088b270 100644 --- a/arch/tile/kernel/ftrace.c +++ b/arch/tile/kernel/ftrace.c @@ -20,21 +20,12 @@ #include <asm/cacheflush.h> #include <asm/ftrace.h> #include <asm/sections.h> +#include <asm/insn.h> #include <arch/opcode.h> #ifdef CONFIG_DYNAMIC_FTRACE -static inline tilegx_bundle_bits NOP(void) -{ - return create_UnaryOpcodeExtension_X0(FNOP_UNARY_OPCODE_X0) | - create_RRROpcodeExtension_X0(UNARY_RRR_0_OPCODE_X0) | - create_Opcode_X0(RRR_0_OPCODE_X0) | - create_UnaryOpcodeExtension_X1(NOP_UNARY_OPCODE_X1) | - create_RRROpcodeExtension_X1(UNARY_RRR_0_OPCODE_X1) | - create_Opcode_X1(RRR_0_OPCODE_X1); -} - static int machine_stopped __read_mostly; int ftrace_arch_code_modify_prepare(void) |