Hi I see , __patch_text( ) this function has been changed to make sure The text section can be writable . Thanks -----Original Message----- From: Wang, Yalin Sent: Tuesday, October 29, 2013 1:50 PM To: 'lbassel@xxxxxxxxxxxxxx' Cc: 'linux-arm-msm-owner@xxxxxxxxxxxxxxx'; linux-arm-msm@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Peng, Arthur; Zhang, Bojie Subject: question about Make CONFIG_STRICT_MEMORY_RWX even stricter patch Hi , We will cherry-pick this patch : http://cgit.sonyericsson.net/cgit.cgi/kernel/msm.git/commit/?id=2504e77ddedfa34dbd64e757a14e5b21a613c000 for security reason , but I have a question about this patch , this patch will make .text section permission become RX but not writable , so some features like kprobe / jump_label may can't work correct, these features will change code during runtime , so it will result in page fault if it write .text section . Thanks Yalin.Wang Software Engineer OS Kernel&Graphics Sony Mobile Communications Tel: +86 10 5966 9819 Phone: 18610323092 Address: No.16 Guangshun South Street, Chaoyang, Beijing, P.R.C. sonymobile.com -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html