On Tue, Feb 04, 2014 at 02:15:32AM +0000, Colin Cross wrote: > Binaries compiled for arm may run on arm64 if CONFIG_COMPAT is > selected. Set LSM_MMAP_MIN_ADDR to 32768 if ARM64 && COMPAT to > prevent selinux failures launching 32-bit static executables that > are mapped at 0x8000. > > Signed-off-by: Colin Cross <ccr...@android.com> > --- > security/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/security/Kconfig b/security/Kconfig > index e9c6ac724fef..beb86b500adf 100644 > --- a/security/Kconfig > +++ b/security/Kconfig > @@ -103,7 +103,7 @@ config INTEL_TXT > config LSM_MMAP_MIN_ADDR > int "Low address space for LSM to protect from user allocation" > depends on SECURITY && SECURITY_SELINUX > - default 32768 if ARM > + default 32768 if ARM || (ARM64 && COMPAT) > default 65536 > help > This is the portion of low virtual memory which should be protected
Since ARM64 && COMPAT implies 4k pages, this change looks ok to me. Acked-by: Will Deacon <will.dea...@arm.com> Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
