[PATCH 6/6] Cpu features overrides for msp platforms.

[PATCH 6/6] Cpu features overrides for msp platforms.

[Anoop P.A]

From: Anoop P A <anoop.pa@gmail.com>


Signed-off-by: Anoop P A <anoop.pa@gmail.com>
---
 .../asm/pmc-sierra/msp71xx/cpu-feature-overrides.h |   21 ++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)
 create mode 100644 arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h

diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
new file mode 100644
index 0000000..a80801b
--- /dev/null
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
@@ -0,0 +1,21 @@
+/*
+ * 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) 2003, 04, 07 Ralf Baechle (ralf@linux-mips.org)
+ */
+#ifndef __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_mips16		1
+#define cpu_has_dsp		1
+#define cpu_has_mipsmt		1
+#define cpu_has_fpu		0
+
+#define cpu_has_mips32r1	0
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#endif /* __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H */
-- 
1.7.0.4

Re: [PATCH 6/6] Cpu features overrides for msp platforms.

[Sergei Shtylyov]

Hello.

On 25-01-2011 11:23, Anoop P.A wrote:

> From: Anoop P A<anoop.pa@gmail.com>


> Signed-off-by: Anoop P A<anoop.pa@gmail.com>
[...]

> diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
> new file mode 100644
> index 0000000..a80801b
> --- /dev/null
> +++ b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
> @@ -0,0 +1,21 @@
> +/*
> + * 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) 2003, 04, 07 Ralf Baechle (ralf@linux-mips.org)

    If you're the author, how come it's Ralf's copyright here?

WBR, Sergei

Re: [PATCH 6/6] Cpu features overrides for msp platforms.

[Anoop P A]

On Tue, 2011-01-25 at 15:09 +0300, Sergei Shtylyov wrote:
> Hello.
> 
> On 25-01-2011 11:23, Anoop P.A wrote:
> 
> > From: Anoop P A<anoop.pa@gmail.com>
> 
> 
> > Signed-off-by: Anoop P A<anoop.pa@gmail.com>
> [...]
> 
> > diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
> > new file mode 100644
> > index 0000000..a80801b
> > --- /dev/null
> > +++ b/arch/mips/include/asm/pmc-sierra/msp71xx/cpu-feature-overrides.h
> > @@ -0,0 +1,21 @@
> > +/*
> > + * 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) 2003, 04, 07 Ralf Baechle (ralf@linux-mips.org)
> 
>     If you're the author, how come it's Ralf's copyright here?

I just copied that file from some other platform. 

> 
> WBR, Sergei

Re: [PATCH 6/6] Cpu features overrides for msp platforms.

[Anoop P A]

On Fri, 2011-02-11 at 16:04 +0100, Ralf Baechle wrote:
> Queued for 2.6.39, thanks!
> 
> But: this is a rather short cpu-feature-overrides.h file.  You can shrink
> the kernel significantly and get a little performance boost by further
> defines in that file.  In particular defining the symbols for cache and
> TLB properties such as the cpu_dcache_line_size and cpu_icache_line_size
> are very effective.
Can you point me to reference file ?.
> 
>   Ralf