On Mon, 31 Jan 2022 at 19:56, Warner Losh <imp@bsdimp.com> wrote:
>
> The following changes since commit 7a1043cef91739ff4b59812d30f1ed2850d3d34e:
>
> Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging (2022-01-28 14:04:01 +0000)
>
> are available in the Git repository at:
>
> git@gitlab.com:bsdimp/qemu.git tags/bsd-user-arm-2022q1-pull-request
>
> for you to fetch changes up to 1103d59caaa82c94b4223a5429c31895d2f05217:
>
> bsd-user/freebsd/target_os_ucontext.h: Prefer env as arg name for CPUArchState args (2022-01-30 17:13:50 -0700)
>
> ----------------------------------------------------------------
> bsd-user: upstream signal implementation
>
> Upstream the bsd-user fork signal implementation, for the most part. This
> series of commits represents nearly all of the infrastructure that surround
> signals, except the actual system call glue (that was also reworked in the
> fork and needs its own series). In addition, this adds the sigsegv and sigbus
> code to arm. Even in the fork, we don't have good x86 signal implementation,
> so there's little to upstream for that at the moment.
>
> bsd-user's signal implementation is similar to linux-user's. The full context
> can be found in the bsd-user's fork's 'blitz branch' at
> https://github.com/qemu-bsd-user/qemu-bsd-user/tree/blitz which shows how these
> are used to implement various system calls. Since this was built from
> linux-user's stack stuff, evolved for BSD with the passage of a few years, it
> no-doubt missed some bug fixes from linux-user (though nothing obvious stood out
> in the quick comparison I made). After the first round of reviews, many of these
> improvements have been incorporated.
>
> Patchew history: https://patchew.org/QEMU/20220125012947.14974-1-imp@bsdimp.com/
>
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/7.0
for any user-visible changes.
There was a testing escape, so please see
[PATCH] bsd-user/signal.c: Only copy the _capsicum for FreeBSD_version > 1400026
that I just posted to fix the build on older FreeBSD systems.
Warner |