diff options
| author |   Jan Kiszka <jan.kiszka@siemens.com> | 2017-11-27 09:11:44 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2018-01-14 21:11:53 +0100 |
| commit | e348caef8b4a161cc27bec8f7500b7e100370ef1 (patch) | |
| tree | 7984f414a27c8c1a5206476ba08bbb6197134108 /arch/x86/kernel/smpboot.c | |
| parent | x86/apic: Install an empty physflat_init_apic_ldr (diff) | |
| download | linux-dev-e348caef8b4a161cc27bec8f7500b7e100370ef1.tar.xz linux-dev-e348caef8b4a161cc27bec8f7500b7e100370ef1.zip | |
x86/platform: Control warm reset setup via legacy feature flag
Allow to turn off the setup of BIOS-managed warm reset via a new flag in
x86_legacy_features. Besides the UV1, the upcoming jailhose guest support
needs this switched off.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: jailhouse-dev@googlegroups.com
Link: https://lkml.kernel.org/r/44376558129d70a2c1527959811371ef4b82e829.1511770314.git.jan.kiszka@siemens.com
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index ed556d50d7ed..9adcae1b135c 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -934,7 +934,7 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle, * the targeted processor. */ - if (get_uv_system_type() != UV_NON_UNIQUE_APIC) { + if (x86_platform.legacy.warm_reset) { pr_debug("Setting warm reset code and vector.\n"); @@ -1006,7 +1006,7 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle, /* mark "stuck" area as not stuck */ *trampoline_status = 0; - if (get_uv_system_type() != UV_NON_UNIQUE_APIC) { + if (x86_platform.legacy.warm_reset) { /* * Cleanup possible dangling ends... */ |