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perf/urgent fix:

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- Accept zero as the kernel base address, to resolve symbols on
   architectures that don't partition the virtual address space in
   kernel/user, S/390, is one of such architectures and was where
   this problem was noticed. (Arnaldo Carvalho de Melo)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-4.13-20170712' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fix from Arnaldo Carvalho de Melo:

 - Accept zero as the kernel base address, to resolve symbols on
   architectures that don't partition the virtual address space in
   kernel/user, S/390, is one of such architectures and was where
   this problem was noticed. (Arnaldo Carvalho de Melo)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2017-07-13 11:35:48 +02:00
commit fc5d7e5bf4
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/machine.c
View file

@ -2209,7 +2209,7 @@ int machine__get_kernel_start(struct machine *machine)
machine->kernel_start = 1ULL << 63;
if (map) {
err = map__load(map);
if (map->start)
if (!err)
machine->kernel_start = map->start;
}
return err;