diff options
Diffstat (limited to 'arch/arm64/kernel/hibernate.c')
| -rw-r--r-- | arch/arm64/kernel/hibernate.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c index fe301cbcb442..97a7384100f3 100644 --- a/arch/arm64/kernel/hibernate.c +++ b/arch/arm64/kernel/hibernate.c @@ -50,9 +50,6 @@ */ extern int in_suspend; -/* Find a symbols alias in the linear map */ -#define LMADDR(x) phys_to_virt(virt_to_phys(x)) - /* Do we need to reset el2? */ #define el2_reset_needed() (is_hyp_mode_available() && !is_kernel_in_hyp_mode()) @@ -102,8 +99,8 @@ static inline void arch_hdr_invariants(struct arch_hibernate_hdr_invariants *i) int pfn_is_nosave(unsigned long pfn) { - unsigned long nosave_begin_pfn = virt_to_pfn(&__nosave_begin); - unsigned long nosave_end_pfn = virt_to_pfn(&__nosave_end - 1); + unsigned long nosave_begin_pfn = sym_to_pfn(&__nosave_begin); + unsigned long nosave_end_pfn = sym_to_pfn(&__nosave_end - 1); return (pfn >= nosave_begin_pfn) && (pfn <= nosave_end_pfn); } @@ -125,12 +122,12 @@ int arch_hibernation_header_save(void *addr, unsigned int max_size) return -EOVERFLOW; arch_hdr_invariants(&hdr->invariants); - hdr->ttbr1_el1 = virt_to_phys(swapper_pg_dir); + hdr->ttbr1_el1 = __pa_symbol(swapper_pg_dir); hdr->reenter_kernel = _cpu_resume; /* We can't use __hyp_get_vectors() because kvm may still be loaded */ if (el2_reset_needed()) - hdr->__hyp_stub_vectors = virt_to_phys(__hyp_stub_vectors); + hdr->__hyp_stub_vectors = __pa_symbol(__hyp_stub_vectors); else hdr->__hyp_stub_vectors = 0; @@ -460,7 +457,6 @@ int swsusp_arch_resume(void) void *zero_page; size_t exit_size; pgd_t *tmp_pg_dir; - void *lm_restore_pblist; phys_addr_t phys_hibernate_exit; void __noreturn (*hibernate_exit)(phys_addr_t, phys_addr_t, void *, void *, phys_addr_t, phys_addr_t); @@ -472,7 +468,7 @@ int swsusp_arch_resume(void) */ tmp_pg_dir = (pgd_t *)get_safe_page(GFP_ATOMIC); if (!tmp_pg_dir) { - pr_err("Failed to allocate memory for temporary page tables."); + pr_err("Failed to allocate memory for temporary page tables.\n"); rc = -ENOMEM; goto out; } @@ -481,18 +477,12 @@ int swsusp_arch_resume(void) goto out; /* - * Since we only copied the linear map, we need to find restore_pblist's - * linear map address. - */ - lm_restore_pblist = LMADDR(restore_pblist); - - /* * We need a zero page that is zero before & after resume in order to * to break before make on the ttbr1 page tables. */ zero_page = (void *)get_safe_page(GFP_ATOMIC); if (!zero_page) { - pr_err("Failed to allocate zero page."); + pr_err("Failed to allocate zero page.\n"); rc = -ENOMEM; goto out; } @@ -512,7 +502,7 @@ int swsusp_arch_resume(void) &phys_hibernate_exit, (void *)get_safe_page, GFP_ATOMIC); if (rc) { - pr_err("Failed to create safe executable page for hibernate_exit code."); + pr_err("Failed to create safe executable page for hibernate_exit code.\n"); goto out; } @@ -537,7 +527,7 @@ int swsusp_arch_resume(void) } hibernate_exit(virt_to_phys(tmp_pg_dir), resume_hdr.ttbr1_el1, - resume_hdr.reenter_kernel, lm_restore_pblist, + resume_hdr.reenter_kernel, restore_pblist, resume_hdr.__hyp_stub_vectors, virt_to_phys(zero_page)); out: |