From: David Gibson <david@gibson.dropbear.id.au>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: Aravinda Prasad <arawinda.p@gmail.com>,
Alexey Kardashevskiy <aik@ozlabs.ru>,
qemu-devel@nongnu.org, Greg Kurz <groug@kaod.org>,
Ganesh Goudar <ganeshgr@linux.ibm.com>,
qemu-ppc@nongnu.org
Subject: Re: [PATCH v2 1/8] ppc/spapr: Fix FWNMI machine check failure handling
Date: Tue, 17 Mar 2020 09:46:08 +1100 [thread overview]
Message-ID: <20200316224608.GA20264@umbus.fritz.box> (raw)
In-Reply-To: <20200316142613.121089-2-npiggin@gmail.com>
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On Tue, Mar 17, 2020 at 12:26:06AM +1000, Nicholas Piggin wrote:
> ppc_cpu_do_system_reset delivers a system rreset interrupt to the guest,
> which is certainly not what is intended here. Panic the guest like other
> failure cases here do.
>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Applied to ppc-for-5.0, thanks.
> ---
> hw/ppc/spapr_events.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
> index 2afd1844e4..11303258d4 100644
> --- a/hw/ppc/spapr_events.c
> +++ b/hw/ppc/spapr_events.c
> @@ -785,7 +785,6 @@ static uint32_t spapr_mce_get_elog_type(PowerPCCPU *cpu, bool recovered,
> static void spapr_mce_dispatch_elog(PowerPCCPU *cpu, bool recovered)
> {
> SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
> - CPUState *cs = CPU(cpu);
> uint64_t rtas_addr;
> CPUPPCState *env = &cpu->env;
> PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
> @@ -823,8 +822,7 @@ static void spapr_mce_dispatch_elog(PowerPCCPU *cpu, bool recovered)
> /* get rtas addr from fdt */
> rtas_addr = spapr_get_rtas_addr();
> if (!rtas_addr) {
> - /* Unable to fetch rtas_addr. Hence reset the guest */
> - ppc_cpu_do_system_reset(cs);
> + qemu_system_guest_panicked(NULL);
> g_free(ext_elog);
> return;
> }
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2020-03-16 23:11 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 14:26 [PATCH v2 0/8] FWNMI fixes / changes Nicholas Piggin
2020-03-16 14:26 ` [PATCH v2 1/8] ppc/spapr: Fix FWNMI machine check failure handling Nicholas Piggin
2020-03-16 15:27 ` Greg Kurz
2020-03-16 22:46 ` David Gibson [this message]
2020-03-16 14:26 ` [PATCH v2 2/8] ppc/spapr: Change FWNMI names Nicholas Piggin
2020-03-16 17:15 ` Greg Kurz
2020-03-16 17:18 ` Mahesh J Salgaonkar
2020-03-16 17:25 ` Greg Kurz
2020-03-16 17:32 ` Cédric Le Goater
2020-03-16 22:46 ` David Gibson
2020-03-16 14:26 ` [PATCH v2 3/8] ppc/spapr: Add FWNMI System Reset state Nicholas Piggin
2020-03-16 17:17 ` Greg Kurz
2020-03-16 17:29 ` Mahesh J Salgaonkar
2020-03-16 17:46 ` Cédric Le Goater
2020-03-16 22:47 ` David Gibson
2020-03-16 14:26 ` [PATCH v2 4/8] ppc/spapr: Fix FWNMI machine check interrupt delivery Nicholas Piggin
2020-03-16 17:59 ` Cédric Le Goater
2020-03-16 23:19 ` Nicholas Piggin
2020-03-16 23:27 ` David Gibson
2020-03-16 14:26 ` [PATCH v2 5/8] ppc/spapr: Allow FWNMI on TCG Nicholas Piggin
2020-03-16 18:00 ` Cédric Le Goater
2020-03-16 18:01 ` Greg Kurz
2020-03-16 23:26 ` Nicholas Piggin
2020-03-17 3:56 ` David? Gibson
2020-03-16 14:26 ` [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector Nicholas Piggin
2020-03-16 18:04 ` Greg Kurz
2020-03-16 18:15 ` Cédric Le Goater
2020-03-16 23:28 ` Nicholas Piggin
2020-03-16 23:34 ` David Gibson
2020-03-17 10:47 ` Cédric Le Goater
2020-03-16 23:28 ` David Gibson
2020-03-16 14:26 ` [PATCH v2 7/8] ppc/spapr: Implement FWNMI System Reset delivery Nicholas Piggin
2020-03-16 17:35 ` Mahesh J Salgaonkar
2020-03-16 17:52 ` Greg Kurz
2020-03-16 23:31 ` David Gibson
2020-03-16 23:30 ` David Gibson
2020-03-16 14:26 ` [PATCH v2 8/8] ppc/spapr: Ignore common "ibm, nmi-interlock" Linux bug Nicholas Piggin
2020-03-16 23:32 ` [PATCH v2 8/8] ppc/spapr: Ignore common "ibm,nmi-interlock" " David Gibson
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