Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-6.2-pull-request...

Pull request linux-user 20210924

Clean up siginfo_t handling for arm, aarch64

# gpg: Signature made Fri 24 Sep 2021 14:56:12 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-6.2-pull-request:
  linux-user/aarch64: Use force_sig_fault()
  linux-user/arm: Use force_sig_fault()
  linux-user: Provide new force_sig_fault() function
  linux-user: Zero out target_siginfo_t in force_sig()
  linux-user/arm: Use force_sig() to deliver fpa11 emulation SIGFPE
  linux-user/arm: Set siginfo_t addr field for SIGTRAP signals
  linux-user/aarch64: Set siginfo_t addr field for SIGTRAP signals

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>