diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mm/cache-l2x0-pmu.c | 2 | ||||
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 2 | ||||
| -rw-r--r-- | arch/arm/mm/pageattr.c | 27 |
4 files changed, 23 insertions, 16 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c1799dd1d0d9..f68e8ec29447 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -991,7 +991,7 @@ config CACHE_TAUROS2 config CACHE_UNIPHIER bool "Enable the UniPhier outer cache controller" depends on ARCH_UNIPHIER - default y + select ARM_L1_CACHE_SHIFT_7 select OUTER_CACHE select OUTER_CACHE_SYNC help @@ -1012,8 +1012,14 @@ config ARM_L1_CACHE_SHIFT_6 help Setting ARM L1 cache line size to 64 Bytes. +config ARM_L1_CACHE_SHIFT_7 + bool + help + Setting ARM L1 cache line size to 128 Bytes. + config ARM_L1_CACHE_SHIFT int + default 7 if ARM_L1_CACHE_SHIFT_7 default 6 if ARM_L1_CACHE_SHIFT_6 default 5 diff --git a/arch/arm/mm/cache-l2x0-pmu.c b/arch/arm/mm/cache-l2x0-pmu.c index 976d3057272e..0a1e2280141f 100644 --- a/arch/arm/mm/cache-l2x0-pmu.c +++ b/arch/arm/mm/cache-l2x0-pmu.c @@ -563,7 +563,7 @@ static __init int l2x0_pmu_init(void) cpumask_set_cpu(0, &pmu_cpu); ret = cpuhp_setup_state_nocalls(CPUHP_AP_PERF_ARM_L2X0_ONLINE, - "AP_PERF_ARM_L2X0_ONLINE", NULL, + "perf/arm/l2x0:online", NULL, l2x0_pmu_offline_cpu); if (ret) goto out_pmu; diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index d1870c777c6e..2290be390f87 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -683,7 +683,7 @@ static void __init l2c310_enable(void __iomem *base, unsigned num_lock) if (aux & L310_AUX_CTRL_FULL_LINE_ZERO) cpuhp_setup_state(CPUHP_AP_ARM_L2X0_STARTING, - "AP_ARM_L2X0_STARTING", l2c310_starting_cpu, + "arm/l2x0:starting", l2c310_starting_cpu, l2c310_dying_cpu); } diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c index d19b1ad29b07..3b69f2642513 100644 --- a/arch/arm/mm/pageattr.c +++ b/arch/arm/mm/pageattr.c @@ -34,28 +34,29 @@ static int change_page_range(pte_t *ptep, pgtable_t token, unsigned long addr, return 0; } +static bool in_range(unsigned long start, unsigned long size, + unsigned long range_start, unsigned long range_end) +{ + return start >= range_start && start < range_end && + size <= range_end - start; +} + static int change_memory_common(unsigned long addr, int numpages, pgprot_t set_mask, pgprot_t clear_mask) { - unsigned long start = addr; - unsigned long size = PAGE_SIZE*numpages; - unsigned long end = start + size; + unsigned long start = addr & PAGE_MASK; + unsigned long end = PAGE_ALIGN(addr) + numpages * PAGE_SIZE; + unsigned long size = end - start; int ret; struct page_change_data data; - if (!IS_ALIGNED(addr, PAGE_SIZE)) { - start &= PAGE_MASK; - end = start + size; - WARN_ON_ONCE(1); - } + WARN_ON_ONCE(start != addr); - if (!numpages) + if (!size) return 0; - if (start < MODULES_VADDR || start >= MODULES_END) - return -EINVAL; - - if (end < MODULES_VADDR || start >= MODULES_END) + if (!in_range(start, size, MODULES_VADDR, MODULES_END) && + !in_range(start, size, VMALLOC_START, VMALLOC_END)) return -EINVAL; data.set_mask = set_mask; |
