From: Kumar Gala Date: Tue, 28 Apr 2009 03:32:36 +0000 (+0000) Subject: powerpc: Fix up elf_read_implies_exec() usage X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d89ebca2248ab03a5928e7dd30b6c304283fc207;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git powerpc: Fix up elf_read_implies_exec() usage We believe if a toolchain supports PT_GNU_STACK that it sets the proper PHDR permissions. Therefor elf_read_implies_exec() should only be true if we don't see PT_GNU_STACK set. Signed-off-by: Kumar Gala Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index d6b4a12cdeff..014a624f4c8e 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -256,11 +256,11 @@ do { \ * even if we have an executable stack. */ # define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \ - (exec_stk != EXSTACK_DISABLE_X) : 0) + (exec_stk == EXSTACK_DEFAULT) : 0) #else # define SET_PERSONALITY(ex) \ set_personality(PER_LINUX | (current->personality & (~PER_MASK))) -# define elf_read_implies_exec(ex, exec_stk) (exec_stk != EXSTACK_DISABLE_X) +# define elf_read_implies_exec(ex, exec_stk) (exec_stk == EXSTACK_DEFAULT) #endif /* __powerpc64__ */ extern int dcache_bsize;