diff options
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 2f86d883dd95..b4866badb235 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -823,6 +823,12 @@ void __init setup_arch(char **cmdline_p) memblock_reserve(__pa_symbol(_text), (unsigned long)__bss_stop - (unsigned long)_text); + /* + * Make sure page 0 is always reserved because on systems with + * L1TF its contents can be leaked to user processes. + */ + memblock_reserve(0, PAGE_SIZE); + early_reserve_initrd(); /* @@ -866,6 +872,8 @@ void __init setup_arch(char **cmdline_p) idt_setup_early_traps(); early_cpu_init(); + arch_init_ideal_nops(); + jump_label_init(); early_ioremap_init(); setup_olpc_ofw_pgd(); @@ -991,11 +999,6 @@ void __init setup_arch(char **cmdline_p) setup_clear_cpu_cap(X86_FEATURE_APIC); } -#ifdef CONFIG_PCI - if (pci_early_dump_regs) - early_dump_pci_devices(); -#endif - e820__reserve_setup_data(); e820__finish_early_params(); @@ -1012,6 +1015,7 @@ void __init setup_arch(char **cmdline_p) */ init_hypervisor_platform(); + tsc_early_init(); x86_init.resources.probe_roms(); /* after parse_early_param, so could debug it */ @@ -1197,11 +1201,6 @@ void __init setup_arch(char **cmdline_p) memblock_find_dma_reserve(); -#ifdef CONFIG_KVM_GUEST - kvmclock_init(); -#endif - - tsc_early_delay_calibrate(); if (!early_xdbc_setup_hardware()) early_xdbc_register_console(); @@ -1272,8 +1271,6 @@ void __init setup_arch(char **cmdline_p) mcheck_init(); - arch_init_ideal_nops(); - register_refined_jiffies(CLOCK_TICK_RATE); #ifdef CONFIG_EFI |