Re: close_range is not available on older systems, preventing the building of a UML kernel

2025-01-10 Thread Benjamin Berg
Hi, On Wed, 2025-01-08 at 12:13 +0100, Geert Uytterhoeven wrote: > Hi Benjamin, > > On Wed, Jan 8, 2025 at 11:58 AM Benjamin Berg > wrote: > > On Wed, 2025-01-08 at 02:24 -0600, Glenn Washburn wrote: > > > I'm wanting to build a UML kernel on Debian bullseye, which is at > > > kernel version 5.

Re: close_range is not available on older systems, preventing the building of a UML kernel

2025-01-08 Thread Geert Uytterhoeven
Hi Benjamin, On Wed, Jan 8, 2025 at 11:58 AM Benjamin Berg wrote: > On Wed, 2025-01-08 at 02:24 -0600, Glenn Washburn wrote: > > I'm wanting to build a UML kernel on Debian bullseye, which is at > > kernel version 5.10, which does not support close_range(). It appears > > as though close_range()

Re: close_range is not available on older systems, preventing the building of a UML kernel

2025-01-08 Thread Benjamin Berg
Hi, On Wed, 2025-01-08 at 02:24 -0600, Glenn Washburn wrote: > I'm wanting to build a UML kernel on Debian bullseye, which is at > kernel version 5.10, which does not support close_range(). It appears > as though close_range() support is required on the host since commit > 32e8eaf263d ("um: use ex

close_range is not available on older systems, preventing the building of a UML kernel

2025-01-08 Thread Glenn Washburn
Hi all, I'm wanting to build a UML kernel on Debian bullseye, which is at kernel version 5.10, which does not support close_range(). It appears as though close_range() support is required on the host since commit 32e8eaf263d ("um: use execveat to create userspace MMs"). Was there a conscious decis