diff options
| author | Ingo Molnar <mingo@kernel.org> | 2018-04-05 09:20:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-04-05 09:20:34 +0200 |
| commit | ea2a6af517714c52a1209795a03e863e96b460bb (patch) | |
| tree | 3bd443bc9b23ceeaf3743eaf2d6d35ec63c620c9 /arch/x86/kernel/irqinit.c | |
| parent | 1b5d43cfb69759d8ef8d30469cea31d0c037aed5 (diff) | |
| parent | 642e7fd23353e22290e3d51719fcb658dc252342 (diff) | |
| download | talos-obmc-linux-ea2a6af517714c52a1209795a03e863e96b460bb.tar.gz talos-obmc-linux-ea2a6af517714c52a1209795a03e863e96b460bb.zip | |
Merge branch 'linus' into sched/urgent, to pick up fixes and updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/irqinit.c')
| -rw-r--r-- | arch/x86/kernel/irqinit.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index a539410c4ea9..772196c1b8c4 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -61,9 +61,14 @@ void __init init_ISA_irqs(void) struct irq_chip *chip = legacy_pic->chip; int i; -#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC) + /* + * Try to set up the through-local-APIC virtual wire mode earlier. + * + * On some 32-bit UP machines, whose APIC has been disabled by BIOS + * and then got re-enabled by "lapic", it hangs at boot time without this. + */ init_bsp_APIC(); -#endif + legacy_pic->init(0); for (i = 0; i < nr_legacy_irqs(); i++) |
