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Robert Richter c7c25802b3 arch/x86/oprofile/op_model_amd.c: Perform initialisation on a single CPU ... Disable preemption in init_ibs(). The function only checks the ibs capabilities and sets up pci devices (if necessary). It runs only on one cpu but operates with the local APIC and some MSRs, thus it is better to disable preemption. [ 7.034377] BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/483 [ 7.034385] caller is setup_APIC_eilvt+0x155/0x180 [ 7.034389] Pid: 483, comm: modprobe Not tainted 2.6.37-rc1-20101110+ #1 [ 7.034392] Call Trace: [ 7.034400] [<ffffffff812a2b72>] debug_smp_processor_id+0xd2/0xf0 [ 7.034404] [<ffffffff8101e985>] setup_APIC_eilvt+0x155/0x180 [ ... ] Addresses https://bugzilla.kernel.org/show_bug.cgi?id=22812 Reported-by: <atswartz@gmail.com> Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: oprofile-list@lists.sourceforge.net <oprofile-list@lists.sourceforge.net> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Dan Carpenter <error27@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: <stable@kernel.org> [2.6.37.x] LKML-Reference: <20110103111514.GM4739@erda.amd.com> [ small cleanups ] Signed-off-by: Ingo Molnar <mingo@elte.hu>		14 years ago
..
boot	x86-32: Make sure we can map all of lowmem if we need to	14 years ago
configs	…
crypto	crypto: ghash-intel - ghash-clmulni-intel_glue needs err.h	14 years ago
ia32	BKL: remove extraneous #include <smp_lock.h>	14 years ago
include/asm	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6	14 years ago
kernel	x86/microcode: Fix double vfree() and remove redundant pointer checks before vfree()	14 years ago
kvm	KVM: i8259: initialize isr_ack	14 years ago
lguest	lguest: populate initial_page_table	14 years ago
lib	…
math-emu	…
mm	x86: Use online node real index in calulate_tbl_offset()	14 years ago
oprofile	arch/x86/oprofile/op_model_amd.c: Perform initialisation on a single CPU	14 years ago
pci	x86: avoid low BIOS area when allocating address space	14 years ago
platform	x86: UV: Address interrupt/IO port operation conflict	14 years ago
power	…
tools	…
vdso	x86, gcc-4.6: Use gcc -m options when building vdso	14 years ago
video	…
xen	Merge branches 'x86-fixes-for-linus', 'perf-fixes-for-linus' and 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	14 years ago
.gitignore	…
Kbuild	x86: Add platform directory	14 years ago
Kconfig	perf, x86: Fixup Kconfig deps	14 years ago
Kconfig.cpu	…
Kconfig.debug	…
Makefile	…
Makefile_32.cpu	jump label: Add work around to i386 gcc asm goto bug	14 years ago