Re: [PATCH v9 00/24] ILP32 for ARM64
From: Yury Norov
Date: Wed May 08 2019 - 19:11:54 EST
On Wed, May 08, 2019 at 03:59:00PM -0700, Yury Norov wrote:
> Hi all,
> On Wed, May 16, 2018 at 11:18:45AM +0300, Yury Norov wrote:
> > This series enables AARCH64 with ILP32 mode.
> > As supporting work, it introduces ARCH_32BIT_OFF_T configuration
> > option that is enabled for existing 32-bit architectures but disabled
> > for new arches (so 64-bit off_t userspace type is used by new userspace).
> > Also it deprecates getrlimit and setrlimit syscalls prior to prlimit64.
> > Based on kernel v4.16. Tested with LTP, glibc testsuite, trinity, lmbench,
> > CPUSpec.
> > This series on github:
> > https://github.com/norov/linux/tree/ilp32-4.16
> > Linaro toolchain:
> > http://snapshots.linaro.org/components/toolchain/binaries/7.3-2018.04-rc1/aarch64-linux-gnu_ilp32/
> > Debian repo:
> > http://people.linaro.org/~wookey/ilp32/
> > OpenSUSE repo:
> > https://build.opensuse.org/project/show/devel:ARM:Factory:Contrib:ILP32
> This is the 5.1-based version.
> Changes comparing to 5.0:
> - drop arch patches that has been taken upstream:
> 80d7da1cac62 asm-generic: Drop getrlimit and setrlimit syscalls from default list
> 942fa985e9f1 32-bit userspace ABI: introduce ARCH_32BIT_OFF_T config option
> 0d0216c03a7a compat ABI: use non-compat openat and open_by_handle_at variants
> - in include/linux/thread_bits.h define current_thread_info() prior to
> inclusion of asm/thread_info.h, to avoid circullar dependencies (thread: move
> thread bits accessors to separated file);
> - enable old IPC interfaces for ilp32, according to mainline changes
> (arm64: ilp32: introduce syscall table for ILP32).