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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-05 19:26:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-05 19:26:55 +0000 |
commit | 962e71f1184a870ada263d81f4b1f9d4eec530ce (patch) | |
tree | bcc69b5f4609f348fac49e2f59e210b29eaea783 /arch/loongarch/mm | |
parent | Adding upstream version 6.9.12. (diff) | |
download | linux-962e71f1184a870ada263d81f4b1f9d4eec530ce.tar.xz linux-962e71f1184a870ada263d81f4b1f9d4eec530ce.zip |
Adding upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch/mm')
-rw-r--r-- | arch/loongarch/mm/hugetlbpage.c | 12 | ||||
-rw-r--r-- | arch/loongarch/mm/init.c | 21 | ||||
-rw-r--r-- | arch/loongarch/mm/mmap.c | 3 | ||||
-rw-r--r-- | arch/loongarch/mm/tlbex.S | 9 |
4 files changed, 29 insertions, 16 deletions
diff --git a/arch/loongarch/mm/hugetlbpage.c b/arch/loongarch/mm/hugetlbpage.c index 1e76fcb830..12222c56cb 100644 --- a/arch/loongarch/mm/hugetlbpage.c +++ b/arch/loongarch/mm/hugetlbpage.c @@ -50,21 +50,11 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, return (pte_t *) pmd; } -int pmd_huge(pmd_t pmd) -{ - return (pmd_val(pmd) & _PAGE_HUGE) != 0; -} - -int pud_huge(pud_t pud) -{ - return (pud_val(pud) & _PAGE_HUGE) != 0; -} - uint64_t pmd_to_entrylo(unsigned long pmd_val) { uint64_t val; /* PMD as PTE. Must be huge page */ - if (!pmd_huge(__pmd(pmd_val))) + if (!pmd_leaf(__pmd(pmd_val))) panic("%s", __func__); val = pmd_val ^ _PAGE_HUGE; diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c index 4dd53427f6..bf789d114c 100644 --- a/arch/loongarch/mm/init.c +++ b/arch/loongarch/mm/init.c @@ -24,6 +24,7 @@ #include <linux/gfp.h> #include <linux/hugetlb.h> #include <linux/mmzone.h> +#include <linux/execmem.h> #include <asm/asm-offsets.h> #include <asm/bootinfo.h> @@ -248,3 +249,23 @@ EXPORT_SYMBOL(invalid_pmd_table); #endif pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned_bss; EXPORT_SYMBOL(invalid_pte_table); + +#ifdef CONFIG_EXECMEM +static struct execmem_info execmem_info __ro_after_init; + +struct execmem_info __init *execmem_arch_setup(void) +{ + execmem_info = (struct execmem_info){ + .ranges = { + [EXECMEM_DEFAULT] = { + .start = MODULES_VADDR, + .end = MODULES_END, + .pgprot = PAGE_KERNEL, + .alignment = 1, + }, + }, + }; + + return &execmem_info; +} +#endif /* CONFIG_EXECMEM */ diff --git a/arch/loongarch/mm/mmap.c b/arch/loongarch/mm/mmap.c index 89af7c12e8..8890309851 100644 --- a/arch/loongarch/mm/mmap.c +++ b/arch/loongarch/mm/mmap.c @@ -25,7 +25,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, struct vm_area_struct *vma; unsigned long addr = addr0; int do_color_align; - struct vm_unmapped_area_info info; + struct vm_unmapped_area_info info = {}; if (unlikely(len > TASK_SIZE)) return -ENOMEM; @@ -83,7 +83,6 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, */ } - info.flags = 0; info.low_limit = mm->mmap_base; info.high_limit = TASK_SIZE; return vm_unmapped_area(&info); diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S index a44387b838..c08682a89c 100644 --- a/arch/loongarch/mm/tlbex.S +++ b/arch/loongarch/mm/tlbex.S @@ -125,6 +125,8 @@ vmalloc_load: tlb_huge_update_load: #ifdef CONFIG_SMP ll.d ra, t1, 0 +#else + rotri.d ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1) #endif andi t0, ra, _PAGE_PRESENT beqz t0, nopage_tlb_load @@ -135,7 +137,6 @@ tlb_huge_update_load: beqz t0, tlb_huge_update_load ori t0, ra, _PAGE_VALID #else - rotri.d ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1) ori t0, ra, _PAGE_VALID st.d t0, t1, 0 #endif @@ -281,6 +282,8 @@ vmalloc_store: tlb_huge_update_store: #ifdef CONFIG_SMP ll.d ra, t1, 0 +#else + rotri.d ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1) #endif andi t0, ra, _PAGE_PRESENT | _PAGE_WRITE xori t0, t0, _PAGE_PRESENT | _PAGE_WRITE @@ -292,7 +295,6 @@ tlb_huge_update_store: beqz t0, tlb_huge_update_store ori t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED) #else - rotri.d ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1) ori t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED) st.d t0, t1, 0 #endif @@ -438,6 +440,8 @@ vmalloc_modify: tlb_huge_update_modify: #ifdef CONFIG_SMP ll.d ra, t1, 0 +#else + rotri.d ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1) #endif andi t0, ra, _PAGE_WRITE beqz t0, nopage_tlb_modify @@ -448,7 +452,6 @@ tlb_huge_update_modify: beqz t0, tlb_huge_update_modify ori t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED) #else - rotri.d ra, ra, 64 - (_PAGE_HUGE_SHIFT + 1) ori t0, ra, (_PAGE_VALID | _PAGE_DIRTY | _PAGE_MODIFIED) st.d t0, t1, 0 #endif |