lkml.org 
[lkml]   [2017]   [Jun]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v5 10/12] x86/xen: Bypass intr mode setup in enlighten_pv system
    Date
    xen_smp_ops overwrites smp_prepare_cpus to xen_pv_smp_prepare_cpus
    which initializes interrupt itself.

    Touching the intr_mode_init causes unexpected results on the system.

    Bypass it in enlighten_pv system.

    Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
    ---
    arch/x86/xen/enlighten_pv.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
    index f33eef4..d3362a3 100644
    --- a/arch/x86/xen/enlighten_pv.c
    +++ b/arch/x86/xen/enlighten_pv.c
    @@ -1268,6 +1268,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
    x86_platform.get_nmi_reason = xen_get_nmi_reason;

    x86_init.resources.memory_setup = xen_memory_setup;
    + x86_init.irqs.intr_mode_init = x86_init_noop;
    x86_init.oem.arch_setup = xen_arch_setup;
    x86_init.oem.banner = xen_banner;

    --
    2.5.5


    \
     
     \ /
      Last update: 2017-06-30 06:10    [W:2.785 / U:0.300 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site