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authorPaolo Bonzini <pbonzini@redhat.com>2021-07-08 13:15:57 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2021-07-14 12:14:27 -0400
commitf3cf800778e9e76b2387d00c9bfbc2e16efdb7ed (patch)
tree783e27546a8d65df254f59b5a024dc42eb390582 /arch/riscv/mm/init.c
parentb8917b4ae44d1b945f6fba3d8ee6777edb44633b (diff)
parentcd4220d23bf3f43cf720e82bdee681f383433ae2 (diff)
downloadlinux-f3cf800778e9e76b2387d00c9bfbc2e16efdb7ed.tar.bz2
Merge tag 'kvm-s390-master-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
KVM: selftests: Fixes - provide memory model for IBM z196 and zEC12 - do not require 64GB of memory
Diffstat (limited to 'arch/riscv/mm/init.c')
-rw-r--r--arch/riscv/mm/init.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 4faf8bd157ea..4c4c92ce0bb8 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -746,14 +746,18 @@ void __init protect_kernel_text_data(void)
unsigned long init_data_start = (unsigned long)__init_data_begin;
unsigned long rodata_start = (unsigned long)__start_rodata;
unsigned long data_start = (unsigned long)_data;
- unsigned long max_low = (unsigned long)(__va(PFN_PHYS(max_low_pfn)));
+#if defined(CONFIG_64BIT) && defined(CONFIG_MMU)
+ unsigned long end_va = kernel_virt_addr + load_sz;
+#else
+ unsigned long end_va = (unsigned long)(__va(PFN_PHYS(max_low_pfn)));
+#endif
set_memory_ro(text_start, (init_text_start - text_start) >> PAGE_SHIFT);
set_memory_ro(init_text_start, (init_data_start - init_text_start) >> PAGE_SHIFT);
set_memory_nx(init_data_start, (rodata_start - init_data_start) >> PAGE_SHIFT);
/* rodata section is marked readonly in mark_rodata_ro */
set_memory_nx(rodata_start, (data_start - rodata_start) >> PAGE_SHIFT);
- set_memory_nx(data_start, (max_low - data_start) >> PAGE_SHIFT);
+ set_memory_nx(data_start, (end_va - data_start) >> PAGE_SHIFT);
}
void mark_rodata_ro(void)