Release 4.7 arch/powerpc/platforms/pseries/kexec.c
/*
* Copyright 2006 Michael Ellerman, IBM Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <asm/machdep.h>
#include <asm/page.h>
#include <asm/firmware.h>
#include <asm/kexec.h>
#include <asm/mpic.h>
#include <asm/xics.h>
#include <asm/smp.h>
#include <asm/plpar_wrappers.h>
#include "pseries.h"
static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
{
/* Don't risk a hypervisor call if we're crashing */
if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
int ret;
int cpu = smp_processor_id();
int hwcpu = hard_smp_processor_id();
if (get_lppaca()->dtl_enable_mask) {
ret = unregister_dtl(hwcpu);
if (ret) {
pr_err("WARNING: DTL deregistration for cpu "
"%d (hw %d) failed with %d\n",
cpu, hwcpu, ret);
}
}
ret = unregister_slb_shadow(hwcpu);
if (ret) {
pr_err("WARNING: SLB shadow buffer deregistration "
"for cpu %d (hw %d) failed with %d\n",
cpu, hwcpu, ret);
}
ret = unregister_vpa(hwcpu);
if (ret) {
pr_err("WARNING: VPA deregistration for cpu %d "
"(hw %d) failed with %d\n", cpu, hwcpu, ret);
}
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| anton blanchard | anton blanchard | 79 | 63.71% | 3 | 75.00% |
| michael ellerman | michael ellerman | 45 | 36.29% | 1 | 25.00% |
| Total | 124 | 100.00% | 4 | 100.00% |
static void pseries_kexec_cpu_down_mpic(int crash_shutdown, int secondary)
{
pseries_kexec_cpu_down(crash_shutdown, secondary);
mpic_teardown_this_cpu(secondary);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael ellerman | michael ellerman | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
void __init setup_kexec_cpu_down_mpic(void)
{
ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_mpic;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael ellerman | michael ellerman | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
static void pseries_kexec_cpu_down_xics(int crash_shutdown, int secondary)
{
pseries_kexec_cpu_down(crash_shutdown, secondary);
xics_kexec_teardown_cpu(secondary);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael ellerman | michael ellerman | 23 | 95.83% | 1 | 50.00% |
| nathan fontenot | nathan fontenot | 1 | 4.17% | 1 | 50.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
void __init setup_kexec_cpu_down_xics(void)
{
ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_xics;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael ellerman | michael ellerman | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| michael ellerman | michael ellerman | 142 | 60.68% | 1 | 12.50% |
| anton blanchard | anton blanchard | 79 | 33.76% | 3 | 37.50% |
| benjamin herrenschmidt | benjamin herrenschmidt | 8 | 3.42% | 1 | 12.50% |
| paul mackerras | paul mackerras | 2 | 0.85% | 1 | 12.50% |
| deepthi dharwar | deepthi dharwar | 2 | 0.85% | 1 | 12.50% |
| nathan fontenot | nathan fontenot | 1 | 0.43% | 1 | 12.50% |
| Total | 234 | 100.00% | 8 | 100.00% |
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