linux-kernel - [PATCH 15/17] kgdb,mips: remove unused kgdb_cpu_doing_single

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu,  5 Aug 2010 09:37:56 -0500
From:	Jason Wessel <jason.wessel@...driver.com>
To:	torvalds@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, kgdb-bugreport@...ts.sourceforge.net,
	Jason Wessel <jason.wessel@...driver.com>,
	Dongdong Deng <dongdong.deng@...driver.com>,
	linux-mips@...ux-mips.org
Subject: [PATCH 15/17] kgdb,mips: remove unused kgdb_cpu_doing_single_step operations

The mips kgdb specific code does not support software or HW single
stepping so it should not implement

Signed-off-by: Jason Wessel <jason.wessel@...driver.com>
Signed-off-by: Dongdong Deng <dongdong.deng@...driver.com>
Acked-by: Ralf Baechle <ralf@...ux-mips.org>
CC: linux-mips@...ux-mips.org
---
 arch/mips/kernel/kgdb.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index 5e76c2d..1f4e2fa 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -329,7 +329,7 @@ static struct notifier_block kgdb_notifier = {
 };
 
 /*
- * Handle the 's' and 'c' commands
+ * Handle the 'c' command
  */
 int kgdb_arch_handle_exception(int vector, int signo, int err_code,
 			       char *remcom_in_buffer, char *remcom_out_buffer,
@@ -337,20 +337,14 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code,
 {
 	char *ptr;
 	unsigned long address;
-	int cpu = smp_processor_id();
 
 	switch (remcom_in_buffer[0]) {
-	case 's':
 	case 'c':
 		/* handle the optional parameter */
 		ptr = &remcom_in_buffer[1];
 		if (kgdb_hex2long(&ptr, &address))
 			regs->cp0_epc = address;
 
-		atomic_set(&kgdb_cpu_doing_single_step, -1);
-		if (remcom_in_buffer[0] == 's')
-			atomic_set(&kgdb_cpu_doing_single_step, cpu);
-
 		return 0;
 	}
 
-- 
1.6.3.3

--
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/