Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752015AbaKFOiT (ORCPT ); Thu, 6 Nov 2014 09:38:19 -0500 Received: from mail-wi0-f178.google.com ([209.85.212.178]:62213 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750975AbaKFOiN (ORCPT ); Thu, 6 Nov 2014 09:38:13 -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 3.18-rc3 4/8] kdb: Use KDB_REPEAT_* values as flags Date: Thu, 6 Nov 2014 14:36:43 +0000 Message-Id: <1415284607-7628-5-git-send-email-daniel.thompson@linaro.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1415284607-7628-1-git-send-email-daniel.thompson@linaro.org> References: <1415284607-7628-1-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 32d2f40..90aed7c 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 070f1ff..cbacae24 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/