From dcb7600849ce9b3d9b3d2965f452287f06fc9093 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 13 Feb 2024 22:05:14 +0100 Subject: [PATCH] x86/mpparse: Switch to new init callbacks Now that all platforms have the new split SMP configuration callbacks set up, flip the switch and remove the old callback pointer and mop up the platform code. Signed-off-by: Thomas Gleixner Tested-by: Michael Kelley Tested-by: Sohil Mehta Link: https://lore.kernel.org/r/20240212154639.870883080@linutronix.de --- arch/x86/hyperv/hv_vtl.c | 1 - arch/x86/include/asm/mpspec.h | 9 +-------- arch/x86/include/asm/x86_init.h | 2 -- arch/x86/kernel/jailhouse.c | 8 +------- arch/x86/kernel/mpparse.c | 2 +- arch/x86/kernel/setup.c | 10 +++------- arch/x86/kernel/x86_init.c | 3 ++- arch/x86/platform/ce4100/ce4100.c | 1 - arch/x86/platform/intel-mid/intel-mid.c | 1 - arch/x86/xen/smp_pv.c | 11 +---------- 10 files changed, 9 insertions(+), 39 deletions(-) diff --git a/arch/x86/hyperv/hv_vtl.c b/arch/x86/hyperv/hv_vtl.c index f573cac465035..804b629ea49da 100644 --- a/arch/x86/hyperv/hv_vtl.c +++ b/arch/x86/hyperv/hv_vtl.c @@ -29,7 +29,6 @@ void __init hv_vtl_init_platform(void) x86_init.mpparse.find_mptable = x86_init_noop; x86_init.mpparse.early_parse_smp_cfg = x86_init_noop; x86_init.mpparse.parse_smp_cfg = x86_init_noop; - x86_init.mpparse.get_smp_config = x86_init_uint_noop; x86_platform.get_wallclock = get_rtc_noop; x86_platform.set_wallclock = set_rtc_noop; diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h index 72700ae4a7708..82480b7d01f02 100644 --- a/arch/x86/include/asm/mpspec.h +++ b/arch/x86/include/asm/mpspec.h @@ -46,14 +46,9 @@ extern int smp_found_config; # define smp_found_config 0 #endif -static inline void get_smp_config(void) -{ - x86_init.mpparse.get_smp_config(0); -} - static inline void early_get_smp_config(void) { - x86_init.mpparse.get_smp_config(1); + x86_init.mpparse.early_parse_smp_cfg(); } #ifdef CONFIG_X86_MPPARSE @@ -62,14 +57,12 @@ extern int enable_update_mptable; extern void mpparse_find_mptable(void); extern void mpparse_parse_early_smp_config(void); extern void mpparse_parse_smp_config(void); -extern void mpparse_get_smp_config(unsigned int early); #else static inline void e820__memblock_alloc_reserved_mpc_new(void) { } #define enable_update_mptable 0 #define mpparse_find_mptable x86_init_noop #define mpparse_parse_early_smp_config x86_init_noop #define mpparse_parse_smp_config x86_init_noop -#define mpparse_get_smp_config x86_init_uint_noop #endif int generic_processor_info(int apicid); diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index 375825f930498..9ca624749176a 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -16,14 +16,12 @@ struct irq_domain; * struct x86_init_mpparse - platform specific mpparse ops * @setup_ioapic_ids: platform specific ioapic id override * @find_mptable: Find MPTABLE early to reserve the memory region - * @get_smp_config: get the smp configuration * @early_parse_smp_cfg: Parse the SMP configuration data early before initmem_init() * @parse_smp_cfg: Parse the SMP configuration data */ struct x86_init_mpparse { void (*setup_ioapic_ids)(void); void (*find_mptable)(void); - void (*get_smp_config)(unsigned int early); void (*early_parse_smp_cfg)(void); void (*parse_smp_cfg)(void); }; diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c index 6d663afd88df7..5128ac863a66e 100644 --- a/arch/x86/kernel/jailhouse.c +++ b/arch/x86/kernel/jailhouse.c @@ -89,7 +89,7 @@ static void __init jailhouse_x2apic_init(void) #endif } -static void __init jailhouse_get_smp_config(unsigned int early) +static void __init jailhouse_parse_smp_config(void) { struct ioapic_domain_cfg ioapic_cfg = { .type = IOAPIC_DOMAIN_STRICT, @@ -118,11 +118,6 @@ static void __init jailhouse_get_smp_config(unsigned int early) } } -static void __init jailhouse_parse_smp_config(void) -{ - jailhouse_get_smp_config(false); -} - static void jailhouse_no_restart(void) { pr_notice("Jailhouse: Restart not supported, halting\n"); @@ -211,7 +206,6 @@ static void __init jailhouse_init_platform(void) x86_init.mpparse.find_mptable = x86_init_noop; x86_init.mpparse.early_parse_smp_cfg = x86_init_noop; x86_init.mpparse.parse_smp_cfg = jailhouse_parse_smp_config; - x86_init.mpparse.get_smp_config = jailhouse_get_smp_config; x86_init.pci.arch_init = jailhouse_pci_arch_init; x86_platform.calibrate_cpu = jailhouse_get_tsc; diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index b22093d2265b8..9c000c409eb1d 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -473,7 +473,7 @@ static int __init check_physptr(struct mpf_intel *mpf, unsigned int early) /* * Scan the memory blocks for an SMP configuration block. */ -void __init mpparse_get_smp_config(unsigned int early) +static __init void mpparse_get_smp_config(unsigned int early) { struct mpf_intel *mpf; diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 39edb8971c942..1a3d66f17487d 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1130,15 +1130,11 @@ void __init setup_arch(char **cmdline_p) early_quirks(); /* - * Read APIC and some other early information from ACPI tables. + * Parse SMP configuration. Try ACPI first and then the platform + * specific parser. */ acpi_boot_init(); - x86_dtb_parse_smp_config(); - - /* - * get boot-time SMP configuration: - */ - get_smp_config(); + x86_init.mpparse.parse_smp_cfg(); /* * Systems w/o ACPI and mptables might not have it mapped the local diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 5d86d57829714..a42830dc151bc 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -71,7 +71,8 @@ struct x86_init_ops x86_init __initdata = { .mpparse = { .setup_ioapic_ids = x86_init_noop, .find_mptable = mpparse_find_mptable, - .get_smp_config = mpparse_get_smp_config, + .early_parse_smp_cfg = mpparse_parse_early_smp_config, + .parse_smp_cfg = mpparse_parse_smp_config, }, .irqs = { diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index 6378082d88552..f32451bdcfdd5 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -140,7 +140,6 @@ void __init x86_ce4100_early_setup(void) x86_init.mpparse.find_mptable = x86_init_noop; x86_init.mpparse.early_parse_smp_cfg = x86_init_noop; x86_init.mpparse.parse_smp_cfg = x86_dtb_parse_smp_config; - x86_init.mpparse.get_smp_config = x86_init_uint_noop; x86_init.pci.init = ce4100_pci_init; x86_init.pci.init_irq = sdv_pci_init; diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c index 14ca3675999a5..7be71c2cdc83e 100644 --- a/arch/x86/platform/intel-mid/intel-mid.c +++ b/arch/x86/platform/intel-mid/intel-mid.c @@ -121,6 +121,5 @@ void __init x86_intel_mid_early_setup(void) x86_init.mpparse.find_mptable = x86_init_noop; x86_init.mpparse.early_parse_smp_cfg = x86_init_noop; x86_init.mpparse.parse_smp_cfg = x86_init_noop; - x86_init.mpparse.get_smp_config = x86_init_uint_noop; set_bit(MP_BUS_ISA, mp_bus_not_pci); } diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index bd939b8b1a063..7f6f34056e13e 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -148,14 +148,11 @@ int xen_smp_intr_init_pv(unsigned int cpu) return rc; } -static void __init _get_smp_config(unsigned int early) +static void __init xen_pv_smp_config(void) { int i, rc; unsigned int subtract = 0; - if (early) - return; - num_processors = 0; disabled_cpus = 0; for (i = 0; i < nr_cpu_ids; i++) { @@ -185,11 +182,6 @@ static void __init _get_smp_config(unsigned int early) smp_found_config = 1; } -static void __init xen_pv_smp_config(void) -{ - _get_smp_config(false); -} - static void __init xen_pv_smp_prepare_boot_cpu(void) { BUG_ON(smp_processor_id() != 0); @@ -463,5 +455,4 @@ void __init xen_smp_init(void) x86_init.mpparse.find_mptable = x86_init_noop; x86_init.mpparse.early_parse_smp_cfg = x86_init_noop; x86_init.mpparse.parse_smp_cfg = xen_pv_smp_config; - x86_init.mpparse.get_smp_config = _get_smp_config; } -- 2.30.2