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Message-Id: <20071125220624.8569026F8C5@magilla.localdomain> Date: Sun, 25 Nov 2007 14:06:24 -0800 (PST) From: Roland McGrath <roland@...hat.com> To: Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org> Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com> Subject: [PATCH 22/27] x86: debugctlmsr constants This adds constant macros for a few of the bits in MSR_IA32_DEBUGCTLMSR. Signed-off-by: Roland McGrath <roland@...hat.com> --- include/asm-x86/msr-index.h | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h index a494473..4045bbe 100644 --- a/include/asm-x86/msr-index.h +++ b/include/asm-x86/msr-index.h @@ -63,6 +63,13 @@ #define MSR_IA32_LASTINTFROMIP 0x000001dd #define MSR_IA32_LASTINTTOIP 0x000001de +/* DEBUGCTLMSR bits (others vary by model): */ +#define _DEBUGCTLMSR_LBR 0 /* last branch recording */ +#define _DEBUGCTLMSR_BTF 1 /* single-step on branches */ + +#define DEBUGCTLMSR_LBR (1UL << _DEBUGCTLMSR_LBR) +#define DEBUGCTLMSR_BTF (1UL << _DEBUGCTLMSR_BTF) + #define MSR_IA32_MC0_CTL 0x00000400 #define MSR_IA32_MC0_STATUS 0x00000401 #define MSR_IA32_MC0_ADDR 0x00000402 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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