Merge tag 'linux-user-for-8.1-pull-request' of https://github.com/vivier/qemu into...

Merge tag 'linux-user-for-8.1-pull-request' of https://github.com/vivier/qemu into staging

linux-user pull request 20230512-v4

add open_tree(), move_mount()
add /proc/cpuinfo for riscv
fixes and cleanup

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# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [undefined]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [undefined]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [undefined]
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* tag 'linux-user-for-8.1-pull-request' of https://github.com/vivier/qemu:
  linux-user: fix getgroups/setgroups allocations
  linux-user: Fix mips fp64 executables loading
  linux-user: Don't require PROT_READ for mincore
  linux-user: Add new flag VERIFY_NONE
  linux-user/main: Use list_cpus() instead of cpu_list()
  linux-user: Add open_tree() syscall
  linux-user: Add move_mount() syscall
  linux-user: report ENOTTY for unknown ioctls
  linux-user: Emulate /proc/cpuinfo output for riscv

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>