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- Fix the loading of modules built with binutils-2.35. This version 

produces writable and executable .text.ftrace_trampoline section which
   is rejected by the kernel.
 
 - Remove the exporting of cpu_logical_map() as the Tegra driver has now
   been fixed and no longer uses this function.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Fix the loading of modules built with binutils-2.35. This version
   produces writable and executable .text.ftrace_trampoline section
   which is rejected by the kernel.

 - Remove the exporting of cpu_logical_map() as the Tegra driver has now
   been fixed and no longer uses this function.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/module: set trampoline section flags regardless of CONFIG_DYNAMIC_FTRACE
  arm64: Remove exporting cpu_logical_map symbol
This commit is contained in:
Linus Torvalds 2020-09-04 13:40:59 -07:00
parent 16bf121b2d e0328feda7
commit 09274aed90
2 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm64/kernel/module-plts.c
View File

@ -305,8 +305,7 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
mod->arch.core.plt_shndx = i; mod->arch.core.plt_shndx = i;
else if (!strcmp(secstrings + sechdrs[i].sh_name, ".init.plt")) else if (!strcmp(secstrings + sechdrs[i].sh_name, ".init.plt"))
mod->arch.init.plt_shndx = i; mod->arch.init.plt_shndx = i;
else if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) && else if (!strcmp(secstrings + sechdrs[i].sh_name,
!strcmp(secstrings + sechdrs[i].sh_name,
".text.ftrace_trampoline")) ".text.ftrace_trampoline"))
tramp = sechdrs + i; tramp = sechdrs + i;
else if (sechdrs[i].sh_type == SHT_SYMTAB) else if (sechdrs[i].sh_type == SHT_SYMTAB)

1
arch/arm64/kernel/setup.c
View File

@ -280,7 +280,6 @@ u64 cpu_logical_map(int cpu)
{ {
return __cpu_logical_map[cpu]; return __cpu_logical_map[cpu];
} }
EXPORT_SYMBOL_GPL(cpu_logical_map);
void __init __no_sanitize_address setup_arch(char **cmdline_p) void __init __no_sanitize_address setup_arch(char **cmdline_p)
{ {