From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751830Ab3LKMRs (ORCPT ); Wed, 11 Dec 2013 07:17:48 -0500 Received: from [207.46.163.27] ([207.46.163.27]:14146 "EHLO co9outboundpool.messaging.microsoft.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751609Ab3LKMRf (ORCPT ); Wed, 11 Dec 2013 07:17:35 -0500 X-Forefront-Antispam-Report: CIP:165.204.84.221;KIP:(null);UIP:(null);IPV:NLI;H:atltwp01.amd.com;RD:none;EFVD:NLI X-SpamScore: 1 X-BigFish: VPS1(zzzz1f42h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah1fc6hzd2iz1de098h8275bh1de097hz2dh839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h14ddh1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah2222h224fh1d0ch1d2eh1d3fh1dfeh1dffh1e1dh1e23h1fe8h1ff5h2218h2216h226dh22d0h2327h2336h1155h) X-WSS-ID: 0MXN5VR-07-4WB-02 X-M-MSG: From: To: , , , CC: , , , , , , Suravee Suthikulpanit Subject: [PATCH 4/4] perf/x86: Remove get_hbp_len and replace with bp_len Date: Wed, 11 Dec 2013 06:28:26 -0600 Message-ID: <1386764906-1681-5-git-send-email-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1386764906-1681-1-git-send-email-suravee.suthikulpanit@amd.com> References: <1386764906-1681-1-git-send-email-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: amd.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jacob Shin Clean up the logic for determining the breakpoint length Signed-off-by: Jacob Shin Signed-off-by: Suravee Suthikulpanit --- arch/x86/kernel/hw_breakpoint.c | 25 +------------------------ 1 file changed, 1 insertion(+), 24 deletions(-) diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c index 647b675..4ada2c3 100644 --- a/arch/x86/kernel/hw_breakpoint.c +++ b/arch/x86/kernel/hw_breakpoint.c @@ -169,29 +169,6 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp) set_dr_addr_mask(0, i); } -static int get_hbp_len(u8 hbp_len) -{ - unsigned int len_in_bytes = 0; - - switch (hbp_len) { - case X86_BREAKPOINT_LEN_1: - len_in_bytes = 1; - break; - case X86_BREAKPOINT_LEN_2: - len_in_bytes = 2; - break; - case X86_BREAKPOINT_LEN_4: - len_in_bytes = 4; - break; -#ifdef CONFIG_X86_64 - case X86_BREAKPOINT_LEN_8: - len_in_bytes = 8; - break; -#endif - } - return len_in_bytes; -} - /* * Check for virtual address in kernel space. */ @@ -202,7 +179,7 @@ int arch_check_bp_in_kernelspace(struct perf_event *bp) struct arch_hw_breakpoint *info = counter_arch_bp(bp); va = info->address; - len = get_hbp_len(info->len); + len = bp->attr.bp_len; return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE); } -- 1.8.1.2