Forgot to CC Michael. On Mon, Jul 06, 2020 at 10:55:49AM +0000, Wei Liu wrote: > On Wed, Jul 01, 2020 at 07:33:25PM +0000, Sasha Levin wrote: > > Hi > > > > [This is an automated email] > > > > This commit has been processed because it contains a -stable tag. > > The stable tag indicates that it's relevant for the following trees: all > > > > The bot has tested the following trees: v5.7.6, v5.4.49, v4.19.130, v4.14.186, v4.9.228, v4.4.228. > > > > v5.7.6: Build OK! > > v5.4.49: Failed to apply! Possible dependencies: > > 53edce00ceb74 ("Drivers: hv: vmbus: Remove dependencies on guest page size") > > Unrelated, shouldn't be backported. > > > > > v4.19.130: Failed to apply! Possible dependencies: > > 53edce00ceb74 ("Drivers: hv: vmbus: Remove dependencies on guest page size") > > > > Unrelated, shouldn't be backported. > > > v4.14.186: Failed to apply! Possible dependencies: > > 4a5f3cde4d51c ("Drivers: hv: vmbus: Remove x86-isms from arch independent drivers") > > 53edce00ceb74 ("Drivers: hv: vmbus: Remove dependencies on guest page size") > > 7ed4325a44ea5 ("Drivers: hv: vmbus: Make panic reporting to be more useful") > > 81b18bce48af3 ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") > > 8afc06dd75c06 ("Drivers: hv: vmbus: Fix the issue with freeing up hv_ctl_table_hdr") > > ddcaf3ca4c3c8 ("Drivers: hv: vmus: Fix the check for return value from kmsg get dump buffer") > > > > v4.9.228: Failed to apply! Possible dependencies: > > 4a5f3cde4d51c ("Drivers: hv: vmbus: Remove x86-isms from arch independent drivers") > > 6ab42a66d2cc1 ("Drivers: hv: vmbus: Move Hypercall invocation code out of common code") > > 73638cddaad86 ("Drivers: hv: vmbus: Move the check for hypercall page setup") > > 76d36ab798204 ("hv: switch to cpuhp state machine for synic init/cleanup") > > 81b18bce48af3 ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") > > 8730046c1498e ("Drivers: hv vmbus: Move Hypercall page setup out of common code") > > d058fa7e98ff0 ("Drivers: hv: vmbus: Move the crash notification function") > > > > v4.4.228: Failed to apply! Possible dependencies: > > 4a5f3cde4d51c ("Drivers: hv: vmbus: Remove x86-isms from arch independent drivers") > > 619848bd07434 ("drivers:hv: Export a function that maps Linux CPU num onto Hyper-V proc num") > > 6ab42a66d2cc1 ("Drivers: hv: vmbus: Move Hypercall invocation code out of common code") > > 73638cddaad86 ("Drivers: hv: vmbus: Move the check for hypercall page setup") > > 75ff3a8a9168d ("Drivers: hv: vmbus: avoid wait_for_completion() on crash") > > 76d36ab798204 ("hv: switch to cpuhp state machine for synic init/cleanup") > > 81b18bce48af3 ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") > > 8730046c1498e ("Drivers: hv vmbus: Move Hypercall page setup out of common code") > > a108393dbf764 ("drivers:hv: Export the API to invoke a hypercall on Hyper-V") > > d058fa7e98ff0 ("Drivers: hv: vmbus: Move the crash notification function") > > Just from reading the subject lines it seems to me a lot of the possible > dependencies aren't really related to this patch functionally. It could > be that they are touching the same area of code which create some > contextual dependencies. Some of the listed dependencies should > definitively _not_ be backported. > > Michael and Joseph, how far do you want this to be backported? It may be > easier for us to provide bespoke versions of this patch to the stable > trees we care about? > > Wei. > > > > > NOTE: The patch will not be queued to stable trees until it is upstream. > > > > How should we proceed with this patch? > > > > -- > > Thanks > > Sasha