On Mon, Jan 4, 2016 at 12:33 PM, Mark Rutland <mark.rutl...@arm.com> wrote: > Hi, > > On Mon, Jan 04, 2016 at 02:34:46PM -0500, Chris Metcalf wrote: >> This change is a prerequisite change for TASK_ISOLATION but also >> stands on its own for readability and maintainability. > > I have also been looking into converting the userspace return path from > assembly to C [1], for the latter two reasons. Based on that, I have a > couple of comments. >
> > [1] > https://git.kernel.org/cgit/linux/kernel/git/mark/linux.git/log/?h=arm64/entry-deasm Neat! In case you want to compare notes, I have a branch with the entire syscall path on x86 in C except for cleanly separated asm fast path optimizations: https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/log/?h=x86/entry_compat Even in Linus' tree, the x86 32-bit syscalls are in C. -- 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/
