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author | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-10 17:49:02 +0300 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-10 20:20:18 +0300 |
commit | 4232da23d75d173195c6766729e51947b64f83cd (patch) | |
tree | 7eb1420b118d452c0b497bf6267ecdfb0a6d5931 /arch/loongarch/include/asm/page.h | |
parent | bbe10a5cc0c775e52e91c8b3b6547b59b2054f44 (diff) | |
parent | 7b7e584f90bf670d5c6f2b1fff884bf3b972cad4 (diff) | |
download | linux-4232da23d75d173195c6766729e51947b64f83cd.tar.xz |
Merge tag 'loongarch-kvm-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.10
1. Add ParaVirt IPI support.
2. Add software breakpoint support.
3. Add mmio trace events support.
Diffstat (limited to 'arch/loongarch/include/asm/page.h')
-rw-r--r-- | arch/loongarch/include/asm/page.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/loongarch/include/asm/page.h b/arch/loongarch/include/asm/page.h index 44027060c54a..e85df33f11c7 100644 --- a/arch/loongarch/include/asm/page.h +++ b/arch/loongarch/include/asm/page.h @@ -78,7 +78,26 @@ typedef struct { unsigned long pgprot; } pgprot_t; struct page *dmw_virt_to_page(unsigned long kaddr); struct page *tlb_virt_to_page(unsigned long kaddr); -#define virt_to_pfn(kaddr) PFN_DOWN(PHYSADDR(kaddr)) +#define pfn_to_phys(pfn) __pfn_to_phys(pfn) +#define phys_to_pfn(paddr) __phys_to_pfn(paddr) + +#define page_to_phys(page) pfn_to_phys(page_to_pfn(page)) +#define phys_to_page(paddr) pfn_to_page(phys_to_pfn(paddr)) + +#ifndef CONFIG_KFENCE + +#define page_to_virt(page) __va(page_to_phys(page)) +#define virt_to_page(kaddr) phys_to_page(__pa(kaddr)) + +#else + +#define WANT_PAGE_VIRTUAL + +#define page_to_virt(page) \ +({ \ + extern char *__kfence_pool; \ + (__kfence_pool == NULL) ? __va(page_to_phys(page)) : page_address(page); \ +}) #define virt_to_page(kaddr) \ ({ \ @@ -86,6 +105,11 @@ struct page *tlb_virt_to_page(unsigned long kaddr); dmw_virt_to_page((unsigned long)kaddr) : tlb_virt_to_page((unsigned long)kaddr);\ }) +#endif + +#define pfn_to_virt(pfn) page_to_virt(pfn_to_page(pfn)) +#define virt_to_pfn(kaddr) page_to_pfn(virt_to_page(kaddr)) + extern int __virt_addr_valid(volatile void *kaddr); #define virt_addr_valid(kaddr) __virt_addr_valid((volatile void *)(kaddr)) |