From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/arch/powerpc/sysdev/xics/icp-native.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'kernel/arch/powerpc/sysdev/xics/icp-native.c') diff --git a/kernel/arch/powerpc/sysdev/xics/icp-native.c b/kernel/arch/powerpc/sysdev/xics/icp-native.c index 2fc4cf1b7..eae32654b 100644 --- a/kernel/arch/powerpc/sysdev/xics/icp-native.c +++ b/kernel/arch/powerpc/sysdev/xics/icp-native.c @@ -147,12 +147,16 @@ static void icp_native_cause_ipi(int cpu, unsigned long data) { kvmppc_set_host_ipi(cpu, 1); #ifdef CONFIG_PPC_DOORBELL - if (cpu_has_feature(CPU_FTR_DBELL) && - (cpumask_test_cpu(cpu, cpu_sibling_mask(smp_processor_id())))) - doorbell_cause_ipi(cpu, data); - else + if (cpu_has_feature(CPU_FTR_DBELL)) { + if (cpumask_test_cpu(cpu, cpu_sibling_mask(get_cpu()))) { + doorbell_cause_ipi(cpu, data); + put_cpu(); + return; + } + put_cpu(); + } #endif - icp_native_set_qirr(cpu, IPI_PRIORITY); + icp_native_set_qirr(cpu, IPI_PRIORITY); } /* -- cgit 1.2.3-korg