diff options
author | James Morris <jmorris@namei.org> | 2011-01-10 09:46:24 +1100 |
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committer | James Morris <jmorris@namei.org> | 2011-01-10 09:46:24 +1100 |
commit | d2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch) | |
tree | 98a3741b4d4b27a48b3c7ea9babe331e539416a8 /arch/x86/kernel/hw_breakpoint.c | |
parent | d03a5d888fb688c832d470b749acc5ed38e0bc1d (diff) | |
parent | 0c21e3aaf6ae85bee804a325aa29c325209180fd (diff) | |
download | lwn-d2e7ad19229f982fc1eb731827d82ceac90abfb3.tar.gz lwn-d2e7ad19229f982fc1eb731827d82ceac90abfb3.zip |
Merge branch 'master' into next
Conflicts:
security/smack/smack_lsm.c
Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au>
Ok'd by Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/x86/kernel/hw_breakpoint.c')
-rw-r--r-- | arch/x86/kernel/hw_breakpoint.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c index 42c594254507..02f07634d265 100644 --- a/arch/x86/kernel/hw_breakpoint.c +++ b/arch/x86/kernel/hw_breakpoint.c @@ -122,7 +122,7 @@ int arch_install_hw_breakpoint(struct perf_event *bp) return -EBUSY; set_debugreg(info->address, i); - __get_cpu_var(cpu_debugreg[i]) = info->address; + __this_cpu_write(cpu_debugreg[i], info->address); dr7 = &__get_cpu_var(cpu_dr7); *dr7 |= encode_dr7(i, info->len, info->type); @@ -397,12 +397,12 @@ void flush_ptrace_hw_breakpoint(struct task_struct *tsk) void hw_breakpoint_restore(void) { - set_debugreg(__get_cpu_var(cpu_debugreg[0]), 0); - set_debugreg(__get_cpu_var(cpu_debugreg[1]), 1); - set_debugreg(__get_cpu_var(cpu_debugreg[2]), 2); - set_debugreg(__get_cpu_var(cpu_debugreg[3]), 3); + set_debugreg(__this_cpu_read(cpu_debugreg[0]), 0); + set_debugreg(__this_cpu_read(cpu_debugreg[1]), 1); + set_debugreg(__this_cpu_read(cpu_debugreg[2]), 2); + set_debugreg(__this_cpu_read(cpu_debugreg[3]), 3); set_debugreg(current->thread.debugreg6, 6); - set_debugreg(__get_cpu_var(cpu_dr7), 7); + set_debugreg(__this_cpu_read(cpu_dr7), 7); } EXPORT_SYMBOL_GPL(hw_breakpoint_restore); |