From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755105Ab0INTkZ (ORCPT ); Tue, 14 Sep 2010 15:40:25 -0400 Received: from moutng.kundenserver.de ([212.227.126.186]:61277 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755074Ab0INTkX (ORCPT ); Tue, 14 Sep 2010 15:40:23 -0400 From: Arnd Bergmann To: linux-kernel@vger.kernel.org Subject: [PATCH 05/18] alpha: kill big kernel lock Date: Tue, 14 Sep 2010 21:40:09 +0200 Message-Id: <1284493213-7263-6-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1284493139-7233-1-git-send-email-arnd@arndb.de> References: <1284493139-7233-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:HvJ48oCKy6NqA4Lh3LGWnd6z1Lcc6Ycc94oZMtWlqTr 1xsiWExdOEJvlL42P14Q0M138i+/UV2dAvya+Btx9/7iXVYg2h FVBFQ8nouVCl8P/CvgkzFAuBy5dgpAJ5SmOOHtKzAuBrIhGEGr +fcTTCXrBz27LOzkGSO//fBYwIqEFRki98tZQtrbm1DRViffVp XbmQRrfNoVg8FdS8i7ysg== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org All uses of the BKL on alpha are totally bogus, nothing is really protected by this. Remove the remaining users so we don't have to mark alpha as 'depends on BKL'. Signed-off-by: Arnd Bergmann Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Matt Turner Cc: linux-alpha@vger.kernel.org --- arch/alpha/kernel/osf_sys.c | 5 ----- arch/alpha/kernel/traps.c | 3 --- 2 files changed, 0 insertions(+), 8 deletions(-) diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 5d1e6d6..49225dd 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include #include @@ -69,7 +68,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start, { struct mm_struct *mm; - lock_kernel(); mm = current->mm; mm->end_code = bss_start + bss_len; mm->start_brk = bss_start + bss_len; @@ -78,7 +76,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start, printk("set_program_attributes(%lx %lx %lx %lx)\n", text_start, text_len, bss_start, bss_len); #endif - unlock_kernel(); return 0; } @@ -517,7 +514,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code, long error; int __user *min_buf_size_ptr; - lock_kernel(); switch (code) { case PL_SET: if (get_user(error, &args->set.nbytes)) @@ -547,7 +543,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code, error = -EOPNOTSUPP; break; }; - unlock_kernel(); return error; } diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index b14f015..0414e02 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -623,7 +622,6 @@ do_entUna(void * va, unsigned long opcode, unsigned long reg, return; } - lock_kernel(); printk("Bad unaligned kernel access at %016lx: %p %lx %lu\n", pc, va, opcode, reg); do_exit(SIGSEGV); @@ -646,7 +644,6 @@ got_exception: * Yikes! No one to forward the exception to. * Since the registers are in a weird format, dump them ourselves. */ - lock_kernel(); printk("%s(%d): unhandled unaligned exception\n", current->comm, task_pid_nr(current)); -- 1.7.1