From: Timur Tabi Date: Tue, 3 Mar 2009 06:23:47 +0000 (+0000) Subject: powerpc: Add defintion for MSR[GS] to list of MSR bits X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=9dca4efe88a8987b6e8496facc74de0555cc6617;p=linux-2.6-omap-h63xx.git powerpc: Add defintion for MSR[GS] to list of MSR bits Add macros for the GS (guest state) bit to the list of MSR bit definitions. On PowerPC cores that support embedded hypervisor mode, GS is cleared if the system is running in hypervisor state (and MSR[PR] is cleared), and set if it's running in guest state. See the Power ISA 2.06 specification for more information. Signed-off-by: Timur Tabi Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 597debe780b..a56f4d61aa7 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -10,6 +10,7 @@ #define __ASM_POWERPC_REG_BOOKE_H__ /* Machine State Register (MSR) Fields */ +#define MSR_GS (1<<28) /* Guest state */ #define MSR_UCLE (1<<26) /* User-mode cache lock enable */ #define MSR_SPE (1<<25) /* Enable SPE */ #define MSR_DWE (1<<10) /* Debug Wait Enable */