diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/coco/sev/core.c | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/cmdline.h | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/aperfmperf.c | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/x86/lib/cmdline.c | 25 | ||||
| -rw-r--r-- | arch/x86/lib/getuser.S | 4 | ||||
| -rw-r--r-- | arch/x86/mm/pti.c | 8 |
8 files changed, 36 insertions, 17 deletions
diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c index 082d61d85dfc..de1df0cb45da 100644 --- a/arch/x86/coco/sev/core.c +++ b/arch/x86/coco/sev/core.c @@ -163,7 +163,7 @@ struct sev_config { */ use_cas : 1, - __reserved : 62; + __reserved : 61; }; static struct sev_config sev_cfg __read_mostly; diff --git a/arch/x86/include/asm/cmdline.h b/arch/x86/include/asm/cmdline.h index 6faaf27e8899..6cbd9ae58b21 100644 --- a/arch/x86/include/asm/cmdline.h +++ b/arch/x86/include/asm/cmdline.h @@ -2,6 +2,10 @@ #ifndef _ASM_X86_CMDLINE_H #define _ASM_X86_CMDLINE_H +#include <asm/setup.h> + +extern char builtin_cmdline[COMMAND_LINE_SIZE]; + int cmdline_find_option_bool(const char *cmdline_ptr, const char *option); int cmdline_find_option(const char *cmdline_ptr, const char *option, char *buffer, int bufsize); diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index be5889bded49..1e0fe5f8ab84 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -462,7 +462,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c) switch (c->x86_model) { case 0x00 ... 0x2f: case 0x40 ... 0x4f: - case 0x70 ... 0x7f: + case 0x60 ... 0x7f: setup_force_cpu_cap(X86_FEATURE_ZEN5); break; default: diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c index b3fa61d45352..0b69bfbf345d 100644 --- a/arch/x86/kernel/cpu/aperfmperf.c +++ b/arch/x86/kernel/cpu/aperfmperf.c @@ -306,7 +306,7 @@ static void freq_invariance_enable(void) WARN_ON_ONCE(1); return; } - static_branch_enable(&arch_scale_freq_key); + static_branch_enable_cpuslocked(&arch_scale_freq_key); register_freq_invariance_syscore_ops(); pr_info("Estimated ratio of average max frequency by base frequency (times 1024): %llu\n", arch_max_freq_ratio); } @@ -323,8 +323,10 @@ static void __init bp_init_freq_invariance(void) if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) return; - if (intel_set_max_freq_ratio()) + if (intel_set_max_freq_ratio()) { + guard(cpus_read_lock)(); freq_invariance_enable(); + } } static void disable_freq_invariance_workfn(struct work_struct *work) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 5d34cad9b7b1..6129dc2ba784 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -164,7 +164,7 @@ unsigned long saved_video_mode; static char __initdata command_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_CMDLINE_BOOL -static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; +char builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; bool builtin_cmdline_added __ro_after_init; #endif diff --git a/arch/x86/lib/cmdline.c b/arch/x86/lib/cmdline.c index 384da1fdd5c6..c65cd5550454 100644 --- a/arch/x86/lib/cmdline.c +++ b/arch/x86/lib/cmdline.c @@ -207,18 +207,29 @@ __cmdline_find_option(const char *cmdline, int max_cmdline_size, int cmdline_find_option_bool(const char *cmdline, const char *option) { - if (IS_ENABLED(CONFIG_CMDLINE_BOOL)) - WARN_ON_ONCE(!builtin_cmdline_added); + int ret; - return __cmdline_find_option_bool(cmdline, COMMAND_LINE_SIZE, option); + ret = __cmdline_find_option_bool(cmdline, COMMAND_LINE_SIZE, option); + if (ret > 0) + return ret; + + if (IS_ENABLED(CONFIG_CMDLINE_BOOL) && !builtin_cmdline_added) + return __cmdline_find_option_bool(builtin_cmdline, COMMAND_LINE_SIZE, option); + + return ret; } int cmdline_find_option(const char *cmdline, const char *option, char *buffer, int bufsize) { - if (IS_ENABLED(CONFIG_CMDLINE_BOOL)) - WARN_ON_ONCE(!builtin_cmdline_added); + int ret; + + ret = __cmdline_find_option(cmdline, COMMAND_LINE_SIZE, option, buffer, bufsize); + if (ret > 0) + return ret; + + if (IS_ENABLED(CONFIG_CMDLINE_BOOL) && !builtin_cmdline_added) + return __cmdline_find_option(builtin_cmdline, COMMAND_LINE_SIZE, option, buffer, bufsize); - return __cmdline_find_option(cmdline, COMMAND_LINE_SIZE, option, - buffer, bufsize); + return ret; } diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S index a314622aa093..d066aecf8aeb 100644 --- a/arch/x86/lib/getuser.S +++ b/arch/x86/lib/getuser.S @@ -88,12 +88,14 @@ SYM_FUNC_END(__get_user_4) EXPORT_SYMBOL(__get_user_4) SYM_FUNC_START(__get_user_8) +#ifndef CONFIG_X86_64 + xor %ecx,%ecx +#endif check_range size=8 ASM_STAC #ifdef CONFIG_X86_64 UACCESS movq (%_ASM_AX),%rdx #else - xor %ecx,%ecx UACCESS movl (%_ASM_AX),%edx UACCESS movl 4(%_ASM_AX),%ecx #endif diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 2e69abf4f852..bfdf5f45b137 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -374,14 +374,14 @@ pti_clone_pgtable(unsigned long start, unsigned long end, */ *target_pmd = *pmd; - addr += PMD_SIZE; + addr = round_up(addr + 1, PMD_SIZE); } else if (level == PTI_CLONE_PTE) { /* Walk the page-table down to the pte level */ pte = pte_offset_kernel(pmd, addr); if (pte_none(*pte)) { - addr += PAGE_SIZE; + addr = round_up(addr + 1, PAGE_SIZE); continue; } @@ -401,7 +401,7 @@ pti_clone_pgtable(unsigned long start, unsigned long end, /* Clone the PTE */ *target_pte = *pte; - addr += PAGE_SIZE; + addr = round_up(addr + 1, PAGE_SIZE); } else { BUG(); @@ -496,7 +496,7 @@ static void pti_clone_entry_text(void) { pti_clone_pgtable((unsigned long) __entry_text_start, (unsigned long) __entry_text_end, - PTI_CLONE_PMD); + PTI_LEVEL_KERNEL_IMAGE); } /* |