diff options
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 164a1e16b53e..a6a91f01a17a 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * S390 version * Copyright IBM Corp. 1999, 2012 @@ -55,17 +56,19 @@ #include <asm/mmu_context.h> #include <asm/cpcmd.h> #include <asm/lowcore.h> +#include <asm/nmi.h> #include <asm/irq.h> #include <asm/page.h> #include <asm/ptrace.h> #include <asm/sections.h> #include <asm/ebcdic.h> -#include <asm/kvm_virtio.h> #include <asm/diag.h> #include <asm/os_info.h> #include <asm/sclp.h> #include <asm/sysinfo.h> #include <asm/numa.h> +#include <asm/alternative.h> +#include <asm/nospec-branch.h> #include "entry.h" /* @@ -338,17 +341,11 @@ static void __init setup_lowcore(void) lc->preempt_count = S390_lowcore.preempt_count; lc->stfl_fac_list = S390_lowcore.stfl_fac_list; memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list, - MAX_FACILITY_BIT/8); - if (MACHINE_HAS_VX || MACHINE_HAS_GS) { - unsigned long bits, size; - - bits = MACHINE_HAS_GS ? 11 : 10; - size = 1UL << bits; - lc->mcesad = (__u64) memblock_virt_alloc(size, size); - if (MACHINE_HAS_GS) - lc->mcesad |= bits; - } - lc->vdso_per_cpu_data = (unsigned long) &lc->paste[0]; + sizeof(lc->stfle_fac_list)); + memcpy(lc->alt_stfle_fac_list, S390_lowcore.alt_stfle_fac_list, + sizeof(lc->alt_stfle_fac_list)); + nmi_alloc_boot_cpu(lc); + vdso_alloc_boot_cpu(lc); lc->sync_enter_timer = S390_lowcore.sync_enter_timer; lc->async_enter_timer = S390_lowcore.async_enter_timer; lc->exit_timer = S390_lowcore.exit_timer; @@ -380,7 +377,10 @@ static void __init setup_lowcore(void) #ifdef CONFIG_SMP lc->spinlock_lockval = arch_spin_lockval(0); + lc->spinlock_index = 0; + arch_spin_lock_setup(0); #endif + lc->br_r1_trampoline = 0x07f1; /* br %r1 */ set_prefix((u32)(unsigned long) lc); lowcore_ptr[0] = lc; @@ -764,7 +764,7 @@ static int __init setup_hwcaps(void) /* * Transactional execution support HWCAP_S390_TE is bit 10. */ - if (test_facility(50) && test_facility(73)) + if (MACHINE_HAS_TE) elf_hwcap |= HWCAP_S390_TE; /* @@ -955,6 +955,10 @@ void __init setup_arch(char **cmdline_p) conmode_default(); set_preferred_console(); + apply_alternative_instructions(); + if (IS_ENABLED(CONFIG_EXPOLINE)) + nospec_init_branches(); + /* Setup zfcpdump support */ setup_zfcpdump(); |