From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bilbo.ozlabs.org (bilbo.ozlabs.org [203.10.76.25]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "bilbo.ozlabs.org", Issuer "CAcert Class 3 Root" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 80C83DE1C2 for ; Thu, 12 Mar 2009 15:00:52 +1100 (EST) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Subject: [PATCH 2/3] powerpc: Add dispatch trace log fields to lppaca Message-Id: <1236830152.729016.80970422404.2.gpush@pingu> In-Reply-To: <1236830152.728754.855135891014.1.gpush@pingu> To: Ben Herrenschmidt From: Jeremy Kerr Date: Thu, 12 Mar 2009 14:55:52 +1100 Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , PAPR v2.3 defines fields in the virtual processor area for a dispatch trace log (DLT). Since we'd like to use the DLT, add the necessary fields to struct lppaca. Signed-off-by: Jeremy Kerr --- arch/powerpc/include/asm/lppaca.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index b063121..68235f7 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -97,7 +97,7 @@ struct lppaca { u64 saved_gpr4; // Saved GPR4 x28-x2F u64 saved_gpr5; // Saved GPR5 x30-x37 - u8 reserved4; // Reserved x38-x38 + u8 dtl_enable_mask; // Dispatch Trace Log mask x38-x38 u8 donate_dedicated_cpu; // Donate dedicated CPU cycles x39-x39 u8 fpregs_in_use; // FP regs in use x3A-x3A u8 pmcregs_in_use; // PMC regs in use x3B-x3B @@ -134,7 +134,9 @@ struct lppaca { // CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data //============================================================================= u32 page_ins; // CMO Hint - # page ins by OS x00-x03 - u8 pmc_save_area[252]; // PMC interrupt Area x04-xFF + u8 reserved8[148]; // Reserved x04-x97 + volatile u64 dtl_idx; // Dispatch Trace Log head idx x98-x9F + u8 reserved9[96]; // Reserved xA0-xFF } __attribute__((__aligned__(0x400))); extern struct lppaca lppaca[];