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alpha: kill big kernel lock
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 <arnd@arndb.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: linux-alpha@vger.kernel.org Signed-off-by: Matt Turner <mattst88@gmail.com>
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2 changed files with 0 additions and 8 deletions
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@ -15,7 +15,6 @@
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/smp.h>
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#include <linux/smp_lock.h>
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#include <linux/stddef.h>
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#include <linux/syscalls.h>
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#include <linux/unistd.h>
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@ -69,7 +68,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
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{
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struct mm_struct *mm;
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lock_kernel();
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mm = current->mm;
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mm->end_code = bss_start + bss_len;
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mm->start_brk = bss_start + bss_len;
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@ -78,7 +76,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
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printk("set_program_attributes(%lx %lx %lx %lx)\n",
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text_start, text_len, bss_start, bss_len);
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#endif
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unlock_kernel();
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return 0;
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}
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@ -517,7 +514,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
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long error;
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int __user *min_buf_size_ptr;
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lock_kernel();
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switch (code) {
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case PL_SET:
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if (get_user(error, &args->set.nbytes))
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@ -547,7 +543,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
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error = -EOPNOTSUPP;
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break;
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};
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unlock_kernel();
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return error;
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}
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@ -13,7 +13,6 @@
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#include <linux/sched.h>
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#include <linux/tty.h>
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#include <linux/delay.h>
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#include <linux/smp_lock.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/kallsyms.h>
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@ -623,7 +622,6 @@ do_entUna(void * va, unsigned long opcode, unsigned long reg,
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return;
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}
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lock_kernel();
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printk("Bad unaligned kernel access at %016lx: %p %lx %lu\n",
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pc, va, opcode, reg);
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do_exit(SIGSEGV);
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@ -646,7 +644,6 @@ do_entUna(void * va, unsigned long opcode, unsigned long reg,
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* Yikes! No one to forward the exception to.
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* Since the registers are in a weird format, dump them ourselves.
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*/
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lock_kernel();
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printk("%s(%d): unhandled unaligned exception\n",
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current->comm, task_pid_nr(current));
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