Re: [breakage] panic() does not halt arm64 systems under certain conditions

2019-09-30 Thread Will Deacon
On Fri, Sep 20, 2019 at 02:25:01PM +1000, Jookia wrote: > On Tue, Sep 17, 2019 at 11:45:19AM +0100, Will Deacon wrote: > > A straightforward fix is to disable preemption explicitly on the panic() > > path (diff below), but I've expanded the cc list to see both what others > > think, but also in

Re: [breakage] panic() does not halt arm64 systems under certain conditions

2019-09-19 Thread Jookia
On Tue, Sep 17, 2019 at 11:45:19AM +0100, Will Deacon wrote: > Hi, > > [Expanding CC list; original message is here: > > https://lore.kernel.org/linux-arm-kernel/BX1W47JXPMR8.58IYW53H6M5N@dragonstone/] > > On Mon, Sep 16, 2019 at 09:35:36PM -0400, Xogium wrote: > > On arm64 in some situations

Re: [breakage] panic() does not halt arm64 systems under certain conditions

2019-09-17 Thread Will Deacon
On Tue, Sep 17, 2019 at 11:51:36AM +0100, Russell King - ARM Linux admin wrote: > On Tue, Sep 17, 2019 at 11:45:19AM +0100, Will Deacon wrote: > > [Expanding CC list; original message is here: > > > > https://lore.kernel.org/linux-arm-kernel/BX1W47JXPMR8.58IYW53H6M5N@dragonstone/] > > > > On

Re: [breakage] panic() does not halt arm64 systems under certain conditions

2019-09-17 Thread Russell King - ARM Linux admin
On Tue, Sep 17, 2019 at 11:45:19AM +0100, Will Deacon wrote: > Hi, > > [Expanding CC list; original message is here: > > https://lore.kernel.org/linux-arm-kernel/BX1W47JXPMR8.58IYW53H6M5N@dragonstone/] > > On Mon, Sep 16, 2019 at 09:35:36PM -0400, Xogium wrote: > > On arm64 in some situations

Re: [breakage] panic() does not halt arm64 systems under certain conditions

2019-09-17 Thread Will Deacon
Hi, [Expanding CC list; original message is here: https://lore.kernel.org/linux-arm-kernel/BX1W47JXPMR8.58IYW53H6M5N@dragonstone/] On Mon, Sep 16, 2019 at 09:35:36PM -0400, Xogium wrote: > On arm64 in some situations userspace will continue running even after a > panic. This means any