lkml.org 
[lkml]   [2019]   [Mar]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 4.4 088/230] xtensa: SMP: mark each possible CPU as present
    Date
    4.4-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    [ Upstream commit 8b1c42cdd7181200dc1fff39dcb6ac1a3fac2c25 ]

    Otherwise it is impossible to enable CPUs after booting with 'maxcpus'
    parameter.

    Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/xtensa/kernel/smp.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c
    index 545144d1431d..0e34c1ed4aa8 100644
    --- a/arch/xtensa/kernel/smp.c
    +++ b/arch/xtensa/kernel/smp.c
    @@ -80,7 +80,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
    {
    unsigned i;

    - for (i = 0; i < max_cpus; ++i)
    + for_each_possible_cpu(i)
    set_cpu_present(i, true);
    }

    --
    2.19.1


    \
     
     \ /
      Last update: 2019-03-22 14:13    [W:4.227 / U:0.108 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site