need the upstream commit to be merged to stable kernel

need the upstream commit to be merged to stable kernel

[Faicker Mo]

Subject: net: net_failover: Fix the deadlock in slave register
Commit: b84c563
Reason: wish the upstream commit to be merged to 7.0, because Ubuntu
26.04 (LTS) uses this kernel. Thanks.

Re: need the upstream commit to be merged to stable kernel

[Greg KH]

On Tue, Jun 23, 2026 at 02:35:18PM +0800, Faicker Mo wrote:
> Subject: net: net_failover: Fix the deadlock in slave register
> Commit: b84c563
> Reason: wish the upstream commit to be merged to 7.0, because Ubuntu
> 26.04 (LTS) uses this kernel. Thanks.
> 

Sure, but note that 7.0.y will go end-of-life in a matter of days :)

Also applied to 6.18.y which will not go end-of-life.

thanks,

greg k-h

Re: need the upstream commit to be merged to stable kernel

[Greg KH]

On Tue, Jun 23, 2026 at 09:03:42AM +0200, Greg KH wrote:
> On Tue, Jun 23, 2026 at 02:35:18PM +0800, Faicker Mo wrote:
> > Subject: net: net_failover: Fix the deadlock in slave register
> > Commit: b84c563
> > Reason: wish the upstream commit to be merged to 7.0, because Ubuntu
> > 26.04 (LTS) uses this kernel. Thanks.
> > 
> 
> Sure, but note that 7.0.y will go end-of-life in a matter of days :)
> 
> Also applied to 6.18.y which will not go end-of-life.

Nope, breaks the build :(

Please provide a working backport if you need/want a commit backported.

thanks,

greg k-h

Re: need the upstream commit to be merged to stable kernel

[Faicker Mo]

On Tue, Jun 23, 2026 at 3:06 PM Greg KH <gregkh@linuxfoundation.org> wrote:
>
> On Tue, Jun 23, 2026 at 09:03:42AM +0200, Greg KH wrote:
> > On Tue, Jun 23, 2026 at 02:35:18PM +0800, Faicker Mo wrote:
> > > Subject: net: net_failover: Fix the deadlock in slave register
> > > Commit: b84c563
> > > Reason: wish the upstream commit to be merged to 7.0, because Ubuntu
> > > 26.04 (LTS) uses this kernel. Thanks.
> > >
> >
> > Sure, but note that 7.0.y will go end-of-life in a matter of days :)
> >
> > Also applied to 6.18.y which will not go end-of-life.
>
> Nope, breaks the build :(
Hi, I tested it with make defconfig(CONFIG_NET_FAILOVER=y), make
vmlinux, no errors.
Both 7.0.y and 6.18.y branches were tested.

>
> Please provide a working backport if you need/want a commit backported.
>
> thanks,
>
> greg k-h

Re: need the upstream commit to be merged to stable kernel

[Greg KH]

On Thu, Jun 25, 2026 at 11:42:31AM +0800, Faicker Mo wrote:
> On Tue, Jun 23, 2026 at 3:06 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> >
> > On Tue, Jun 23, 2026 at 09:03:42AM +0200, Greg KH wrote:
> > > On Tue, Jun 23, 2026 at 02:35:18PM +0800, Faicker Mo wrote:
> > > > Subject: net: net_failover: Fix the deadlock in slave register
> > > > Commit: b84c563
> > > > Reason: wish the upstream commit to be merged to 7.0, because Ubuntu
> > > > 26.04 (LTS) uses this kernel. Thanks.
> > > >
> > >
> > > Sure, but note that 7.0.y will go end-of-life in a matter of days :)
> > >
> > > Also applied to 6.18.y which will not go end-of-life.
> >
> > Nope, breaks the build :(
> Hi, I tested it with make defconfig(CONFIG_NET_FAILOVER=y), make
> vmlinux, no errors.
> Both 7.0.y and 6.18.y branches were tested.

Here's what I get:

$ make -j100
  DESCEND objtool
  CALL    scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/core/failover.o
  CC [M]  drivers/net/net_failover.o
  MODPOST Module.symvers
ERROR: modpost: "netif_open" [drivers/net/net_failover.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1
make[1]: *** [/home/gregkh/linux/stable/linux-7.0.y/Makefile:2061: modpost] Error 2
make: *** [Makefile:248: __sub-make] Error 2

Re: need the upstream commit to be merged to stable kernel

[Faicker Mo]

On Thu, Jun 25, 2026 at 3:32 PM Greg KH <gregkh@linuxfoundation.org> wrote:
>
> On Thu, Jun 25, 2026 at 11:42:31AM +0800, Faicker Mo wrote:
> > On Tue, Jun 23, 2026 at 3:06 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> > >
> > > On Tue, Jun 23, 2026 at 09:03:42AM +0200, Greg KH wrote:
> > > > On Tue, Jun 23, 2026 at 02:35:18PM +0800, Faicker Mo wrote:
> > > > > Subject: net: net_failover: Fix the deadlock in slave register
> > > > > Commit: b84c563
> > > > > Reason: wish the upstream commit to be merged to 7.0, because Ubuntu
> > > > > 26.04 (LTS) uses this kernel. Thanks.
> > > > >
> > > >
> > > > Sure, but note that 7.0.y will go end-of-life in a matter of days :)
> > > >
> > > > Also applied to 6.18.y which will not go end-of-life.
> > >
> > > Nope, breaks the build :(
> > Hi, I tested it with make defconfig(CONFIG_NET_FAILOVER=y), make
> > vmlinux, no errors.
> > Both 7.0.y and 6.18.y branches were tested.
>
> Here's what I get:
>
> $ make -j100
>   DESCEND objtool
>   CALL    scripts/checksyscalls.sh
>   INSTALL libsubcmd_headers
>   CC [M]  net/core/failover.o
>   CC [M]  drivers/net/net_failover.o
>   MODPOST Module.symvers
> ERROR: modpost: "netif_open" [drivers/net/net_failover.ko] undefined!
> make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1
> make[1]: *** [/home/gregkh/linux/stable/linux-7.0.y/Makefile:2061: modpost] Error 2
> make: *** [Makefile:248: __sub-make] Error 2
Got this.
Need commit 3fdd33697c2b(net: export netif_open for self_test usage)
Thanks.

Re: need the upstream commit to be merged to stable kernel

[Greg KH]

On Thu, Jun 25, 2026 at 08:11:18PM +0800, Faicker Mo wrote:
> On Thu, Jun 25, 2026 at 3:32 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> >
> > On Thu, Jun 25, 2026 at 11:42:31AM +0800, Faicker Mo wrote:
> > > On Tue, Jun 23, 2026 at 3:06 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> > > >
> > > > On Tue, Jun 23, 2026 at 09:03:42AM +0200, Greg KH wrote:
> > > > > On Tue, Jun 23, 2026 at 02:35:18PM +0800, Faicker Mo wrote:
> > > > > > Subject: net: net_failover: Fix the deadlock in slave register
> > > > > > Commit: b84c563
> > > > > > Reason: wish the upstream commit to be merged to 7.0, because Ubuntu
> > > > > > 26.04 (LTS) uses this kernel. Thanks.
> > > > > >
> > > > >
> > > > > Sure, but note that 7.0.y will go end-of-life in a matter of days :)
> > > > >
> > > > > Also applied to 6.18.y which will not go end-of-life.
> > > >
> > > > Nope, breaks the build :(
> > > Hi, I tested it with make defconfig(CONFIG_NET_FAILOVER=y), make
> > > vmlinux, no errors.
> > > Both 7.0.y and 6.18.y branches were tested.
> >
> > Here's what I get:
> >
> > $ make -j100
> >   DESCEND objtool
> >   CALL    scripts/checksyscalls.sh
> >   INSTALL libsubcmd_headers
> >   CC [M]  net/core/failover.o
> >   CC [M]  drivers/net/net_failover.o
> >   MODPOST Module.symvers
> > ERROR: modpost: "netif_open" [drivers/net/net_failover.ko] undefined!
> > make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1
> > make[1]: *** [/home/gregkh/linux/stable/linux-7.0.y/Makefile:2061: modpost] Error 2
> > make: *** [Makefile:248: __sub-make] Error 2
> Got this.
> Need commit 3fdd33697c2b(net: export netif_open for self_test usage)

Ok, that worked better, thanks.

greg k-h