Re: [PATCH v4 5/6] add listmount(2) syscall

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Hi,

On Wed, Oct 25, 2023 at 04:02:03PM +0200, Miklos Szeredi wrote:
> Add way to query the children of a particular mount.  This is a more
> flexible way to iterate the mount tree than having to parse the complete
> /proc/self/mountinfo.
> 
> Allow listing either
> 
>  - immediate child mounts only, or
> 
>  - recursively all descendant mounts (depth first).
> 
> Lookup the mount by the new 64bit mount ID.  If a mount needs to be queried
> based on path, then statx(2) can be used to first query the mount ID
> belonging to the path.
> 
> Return an array of new (64bit) mount ID's.  Without privileges only mounts
> are listed which are reachable from the task's root.
> 
> Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>

with this patch in the tree, all sh4 builds fail with ICE.

during RTL pass: final
In file included from fs/namespace.c:11:
fs/namespace.c: In function '__se_sys_listmount':
include/linux/syscalls.h:258:9: internal compiler error: in change_address_1, at emit-rtl.c:2275

I tested with gcc 8.2, 11.3, 11.4, and 12.3. The compiler version
does not make a difference. Has anyone else seen the same problem ?
If so, any idea what to do about it ?

Thanks,
Guenter




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