From: Ralf Baechle <ralf@linux-mips.org>
To: tiansm@lemote.com
Cc: linux-mips@linux-mips.org, Fuxin Zhang <zhangfx@lemote.com>
Subject: Re: [PATCH 3/16] Kconfig update for lemote fulong mini-PC
Date: Wed, 18 Apr 2007 13:06:20 +0100 [thread overview]
Message-ID: <20070418120620.GE3938@linux-mips.org> (raw)
In-Reply-To: <11766507662638-git-send-email-tiansm@lemote.com>
On Sun, Apr 15, 2007 at 11:25:52PM +0800, tiansm@lemote.com wrote:
> @@ -1681,6 +1712,13 @@ config CPU_HAS_SMARTMIPS
> config CPU_HAS_WB
> bool
>
> +config 64BIT_CONTEXT
> + bool "Save 64bit integer registers" if CPU_LOONGSON2 && 32BIT
> + help
> + Loongson2 CPU is 64bit , when used in 32BIT mode, its integer registers
> + can still be accessed as 64bit, mainly for multimedia instructions. We must have
> + all 64bit save/restored to make sure those instructions to get correct result.
> +
Is there anything in implementation of this option Loongson2-specific?
If not then I suggest we make this option loook like:
bool "Save 64bit integer registers" if CPU_SUPPORTS_64BIT_KERNEL && 32BIT
Somebody else might have a use for it!
Ralf
next prev parent reply other threads:[~2007-04-18 12:06 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-15 15:25 lemote-fulong patch update tiansm
2007-04-15 15:25 ` [PATCH 1/16] new files for lemote fulong mini-PC support tiansm
2007-04-15 15:25 ` [PATCH 2/16] arch related Makefile update for lemote fulong mini-PC tiansm
2007-04-15 15:25 ` [PATCH 3/16] Kconfig " tiansm
2007-04-15 15:25 ` [PATCH 4/16] TO_PHYS_MASK for loongson2 tiansm
2007-04-15 15:25 ` [PATCH 5/16] add MACH_GROUP_LEMOTE & MACH_LEMOTE_FULONG tiansm
2007-04-15 15:25 ` [PATCH 6/16] define Hit_Invalidate_I to Index_Invalidate_I for loongson2 tiansm
2007-04-15 15:25 ` [PATCH 7/16] add Loongson processor definitions tiansm
2007-04-15 15:25 ` [PATCH 8/16] define MODULE_PROC_FAMILY for Loongson2 tiansm
2007-04-15 15:25 ` [PATCH 9/16] add serial port definition for lemote fulong tiansm
2007-04-15 15:25 ` [PATCH 10/16] make cpu_probe recognize Loongson2 tiansm
2007-04-15 15:26 ` [PATCH 11/16] add Loongson support to /proc/cpuinfo tiansm
2007-04-15 15:26 ` [PATCH 12/16] cheat for support of more than 256MB memory tiansm
2007-04-15 15:26 ` [PATCH 13/16] define MODULE_PROC_FAMILY for Loongson2 tiansm
2007-04-15 15:26 ` [PATCH 14/16] tlb handling support for Loongson2 processor tiansm
2007-04-15 15:26 ` [PATCH 15/16] work around for more than 256MB memory support tiansm
2007-04-15 15:26 ` [PATCH 16/16] alsa sound support for mips tiansm
2007-04-18 13:54 ` Ralf Baechle
2007-04-18 14:13 ` Fuxin Zhang
2007-04-20 9:39 ` Atsushi Nemoto
2007-04-18 12:11 ` [PATCH 6/16] define Hit_Invalidate_I to Index_Invalidate_I for loongson2 Ralf Baechle
2007-04-18 13:51 ` Fuxin Zhang
2007-04-18 13:56 ` Fuxin Zhang
2007-04-18 12:02 ` [PATCH 4/16] TO_PHYS_MASK " Ralf Baechle
2007-04-18 12:06 ` Ralf Baechle [this message]
2007-04-18 13:32 ` [PATCH 3/16] Kconfig update for lemote fulong mini-PC Fuxin Zhang
2007-04-18 15:28 ` Uhler, Mike
2007-04-18 15:28 ` Uhler, Mike
2007-04-18 15:43 ` Fuxin Zhang
2007-04-18 16:38 ` Ralf Baechle
2007-04-18 22:27 ` Uhler, Mike
2007-04-18 22:27 ` Uhler, Mike
2007-04-19 0:34 ` Ralf Baechle
2007-04-15 22:28 ` [PATCH 2/16] arch related Makefile " Thiemo Seufer
2007-04-16 7:37 ` Tian
2007-04-16 8:48 ` Fuxin Zhang
2007-04-16 8:49 ` Zhang Fuxin
2007-04-16 12:44 ` Thiemo Seufer
2007-04-16 14:01 ` Ralf Baechle
2007-04-16 15:10 ` Zhang Fuxin
-- strict thread matches above, loose matches on Subject: below --
2007-04-04 14:38 [PATCH 3/16] Kconfig " zhangfx
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