From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754507AbbAGQpD (ORCPT ); Wed, 7 Jan 2015 11:45:03 -0500 Received: from mail-wi0-f179.google.com ([209.85.212.179]:34648 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753516AbbAGQpB (ORCPT ); Wed, 7 Jan 2015 11:45:01 -0500 From: Daniel Thompson To: Jason Wessel Cc: Anton Vorontsov , kgdb-bugreport@lists.sourceforge.net, linux-kernel@vger.kernel.org, Andrew Morton , Greg Kroah-Hartman , Jiri Slaby , Steven Rostedt , Frederic Weisbecker , Ingo Molnar , Colin Cross , kernel-team@android.com, patches@linaro.org, linaro-kernel@lists.linaro.org, John Stultz , Sumit Semwal , Daniel Thompson Subject: [RESEND PATCH v5 3.19-rc2 4/8] kdb: Use KDB_REPEAT_* values as flags Date: Wed, 7 Jan 2015 16:34:54 +0000 Message-Id: <1420648498-17428-5-git-send-email-daniel.thompson@linaro.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1420648498-17428-1-git-send-email-daniel.thompson@linaro.org> References: <1399381429-16194-1-git-send-email-daniel.thompson@linaro.org> <1420648498-17428-1-git-send-email-daniel.thompson@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Anton Vorontsov The actual values of KDB_REPEAT_* enum values and overall logic stayed the same, but we now treat the values as flags. This makes it possible to add other flags and combine them, plus makes the code a lot simpler and shorter. But functionality-wise, there should be no changes. Signed-off-by: Anton Vorontsov Signed-off-by: John Stultz Signed-off-by: Daniel Thompson Cc: Jason Wessel --- include/linux/kdb.h | 4 ++-- kernel/debug/kdb/kdb_main.c | 21 +++++++-------------- 2 files changed, 9 insertions(+), 16 deletions(-) diff --git a/include/linux/kdb.h b/include/linux/kdb.h index 32d2f407981d..90aed7c31f0d 100644 --- a/include/linux/kdb.h +++ b/include/linux/kdb.h @@ -15,8 +15,8 @@ typedef enum { KDB_REPEAT_NONE = 0, /* Do not repeat this command */ - KDB_REPEAT_NO_ARGS, /* Repeat the command without arguments */ - KDB_REPEAT_WITH_ARGS, /* Repeat the command including its arguments */ + KDB_REPEAT_NO_ARGS = 0x1, /* Repeat the command w/o arguments */ + KDB_REPEAT_WITH_ARGS = 0x2, /* Repeat the command w/ its arguments */ } kdb_cmdflags_t; typedef int (*kdb_func_t)(int, const char **); diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 070f1ff358d2..cbacae24a55a 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -1008,20 +1008,13 @@ int kdb_parse(const char *cmdstr) if (result && ignore_errors && result > KDB_CMD_GO) result = 0; KDB_STATE_CLEAR(CMD); - switch (tp->cmd_flags) { - case KDB_REPEAT_NONE: - argc = 0; - if (argv[0]) - *(argv[0]) = '\0'; - break; - case KDB_REPEAT_NO_ARGS: - argc = 1; - if (argv[1]) - *(argv[1]) = '\0'; - break; - case KDB_REPEAT_WITH_ARGS: - break; - } + + if (tp->cmd_flags & KDB_REPEAT_WITH_ARGS) + return result; + + argc = tp->cmd_flags & KDB_REPEAT_NO_ARGS ? 1 : 0; + if (argv[argc]) + *(argv[argc]) = '\0'; return result; } -- 1.9.3