diff options
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/cpu_entry_area.c | 7 | ||||
| -rw-r--r-- | arch/x86/mm/mem_encrypt_identity.c | 3 | ||||
| -rw-r--r-- | arch/x86/mm/pat/set_memory.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/tlb.c | 2 |
4 files changed, 11 insertions, 3 deletions
diff --git a/arch/x86/mm/cpu_entry_area.c b/arch/x86/mm/cpu_entry_area.c index 7316a8224259..e91500a80963 100644 --- a/arch/x86/mm/cpu_entry_area.c +++ b/arch/x86/mm/cpu_entry_area.c @@ -10,6 +10,7 @@ #include <asm/fixmap.h> #include <asm/desc.h> #include <asm/kasan.h> +#include <asm/setup.h> static DEFINE_PER_CPU_PAGE_ALIGNED(struct entry_stack_page, entry_stack_storage); @@ -29,6 +30,12 @@ static __init void init_cea_offsets(void) unsigned int max_cea; unsigned int i, j; + if (!kaslr_enabled()) { + for_each_possible_cpu(i) + per_cpu(_cea_offset, i) = i; + return; + } + max_cea = (CPU_ENTRY_AREA_MAP_SIZE - PAGE_SIZE) / CPU_ENTRY_AREA_SIZE; /* O(sodding terrible) */ diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c index 88cccd65029d..c6efcf559d88 100644 --- a/arch/x86/mm/mem_encrypt_identity.c +++ b/arch/x86/mm/mem_encrypt_identity.c @@ -600,7 +600,8 @@ void __init sme_enable(struct boot_params *bp) cmdline_ptr = (const char *)((u64)bp->hdr.cmd_line_ptr | ((u64)bp->ext_cmd_line_ptr << 32)); - cmdline_find_option(cmdline_ptr, cmdline_arg, buffer, sizeof(buffer)); + if (cmdline_find_option(cmdline_ptr, cmdline_arg, buffer, sizeof(buffer)) < 0) + return; if (!strncmp(buffer, cmdline_on, sizeof(buffer))) sme_me_mask = me_mask; diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 356758b7d4b4..f0099ee70e02 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -234,7 +234,7 @@ within_inclusive(unsigned long addr, unsigned long start, unsigned long end) * take full advantage of the the limited (s32) immediate addressing range (2G) * of x86_64. * - * See Documentation/x86/x86_64/mm.rst for more detail. + * See Documentation/arch/x86/x86_64/mm.rst for more detail. */ static inline unsigned long highmap_start_pfn(void) diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 92d73ccede70..16c5292d227d 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -925,7 +925,7 @@ void flush_tlb_multi(const struct cpumask *cpumask, } /* - * See Documentation/x86/tlb.rst for details. We choose 33 + * See Documentation/arch/x86/tlb.rst for details. We choose 33 * because it is large enough to cover the vast majority (at * least 95%) of allocations, and is small enough that we are * confident it will not cause too much overhead. Each single |