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authorMasami Hiramatsu <mhiramat@redhat.com>2010-02-02 22:49:04 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-04 09:36:18 +0100
commit615d0ebbc782b67296e3226c293f520f93f93515 (patch)
tree1831dffd72515695839fc3e99a70976393c4d6c8 /arch/x86/kernel/efi_stub_32.S
parentperf annotate: Fix perf top module symbol annotation (diff)
downloadlinux-615d0ebbc782b67296e3226c293f520f93f93515.tar.xz
linux-615d0ebbc782b67296e3226c293f520f93f93515.zip
kprobes: Disable booster when CONFIG_PREEMPT=y
Disable kprobe booster when CONFIG_PREEMPT=y at this time, because it can't ensure that all kernel threads preempted on kprobe's boosted slot run out from the slot even using freeze_processes(). The booster on preemptive kernel will be resumed if synchronize_tasks() or something like that is introduced. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: systemtap <systemtap@sources.redhat.com> Cc: DLE <dle-develop@lists.sourceforge.net> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: Mathieu Desnoyers <compudj@krystal.dyndns.org> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <20100202214904.4694.24330.stgit@dhcp-100-2-132.bos.redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/efi_stub_32.S')
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