From db3b3c7281ca82e2647e072a1f97db111313dd73 Mon Sep 17 00:00:00 2001 From: Greg Kurz Date: Mon, 8 Jan 2018 11:18:23 +0100 Subject: 9pfs: deprecate handle backend This backend raise some concerns: - doesn't support symlinks - fails +100 tests in the PJD POSIX file system test suite [1] - requires the QEMU process to run with the CAP_DAC_READ_SEARCH capability, which isn't recommended for security reasons This backend should not be used and wil be removed. The 'local' backend is the recommended alternative. [1] https://www.tuxera.com/community/posix-test-suite/ Signed-off-by: Greg Kurz Reviewed-by: Daniel P. Berrange Reviewed-by: Aneesh Kumar K.V --- qemu-doc.texi | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'qemu-doc.texi') diff --git a/qemu-doc.texi b/qemu-doc.texi index ae90f7199e..454a8313d0 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -2724,6 +2724,14 @@ default channel subsystem image for guests that do not support multiple channel subsystems, all devices can be put into the default channel subsystem image. +@subsection -fsdev handle (since 2.12.0) + +The ``handle'' fsdev backend does not support symlinks and causes the 9p +filesystem in the guest to fail a fair amount of tests from the PJD POSIX +filesystem test suite. Also it requires the CAP_DAC_READ_SEARCH capability, +which is not the recommended way to run QEMU. This backend should not be +used and it will be removed with no replacement. + @section qemu-img command line arguments @subsection convert -s (since 2.0.0) -- cgit v1.2.1