From: james.morse@arm•com (James Morse)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V12 05/10] acpi: apei: handle SEA notification type for ARMv8
Date: Fri, 17 Mar 2017 16:43:11 +0000 [thread overview]
Message-ID: <58CC121F.5030807@arm.com> (raw)
In-Reply-To: <1488833103-21082-6-git-send-email-tbaicar@codeaurora.org>
Hi Tyler,
On 06/03/17 20:44, Tyler Baicar wrote:
> ARM APEI extension proposal added SEA (Synchronous External Abort)
> notification type for ARMv8.
> Add a new GHES error source handling function for SEA. If an error
> source's notification type is SEA, then this function can be registered
> into the SEA exception handler. That way GHES will parse and report
> SEA exceptions when they occur.
> An SEA can interrupt code that had interrupts masked and is treated as
> an NMI. To aid this the page of address space for mapping APEI buffers
> while in_nmi() is always reserved, and ghes_ioremap_pfn_nmi() is
> changed to use the helper methods to find the prot_t to map with in
> the same way as ghes_ioremap_pfn_irq().
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index b25e7cf..b0596ba 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -1023,6 +1075,13 @@ static int ghes_probe(struct platform_device *ghes_dev)
> pr_warning(GHES_PFX "Generic hardware error source: %d notified via local interrupt is not supported!\n",
> generic->header.source_id);
> goto err;
> + case ACPI_HEST_NOTIFY_GPIO:
> + case ACPI_HEST_NOTIFY_SEI:
> + case ACPI_HEST_NOTIFY_GSIV:
> + pr_warn(GHES_PFX "Generic hardware error source: %d notified via notification type %u is not supported\n",
> + generic->header.source_id, generic->header.source_id);
> + rc = -ENOTSUPP;
> + goto err;
> default:
> pr_warning(FW_WARN GHES_PFX "Unknown notification type: %u for generic hardware error source: %d\n",
> generic->notify.type, generic->header.source_id);
This hunk will conflict with Shiju Jose's patch[0] that adds GPIO and GSIV
support. Can we remove it?
Thanks,
James
[0] https://www.spinics.net/lists/linux-acpi/msg72654.html
next prev parent reply other threads:[~2017-03-17 16:43 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-06 20:44 [PATCH V12 00/10] Add UEFI 2.6 and ACPI 6.1 updates for RAS on ARM64 Tyler Baicar
2017-03-06 20:44 ` [PATCH V12 01/10] acpi: apei: read ack upon ghes record consumption Tyler Baicar
2017-03-06 20:44 ` [PATCH V12 02/10] ras: acpi/apei: cper: generic error data entry v3 per ACPI 6.1 Tyler Baicar
2017-03-06 20:44 ` [PATCH V12 03/10] efi: parse ARM processor error Tyler Baicar
2017-03-06 20:44 ` [PATCH V12 04/10] arm64: exception: handle Synchronous External Abort Tyler Baicar
2017-03-06 20:44 ` [PATCH V12 05/10] acpi: apei: handle SEA notification type for ARMv8 Tyler Baicar
2017-03-07 11:37 ` James Morse
2017-03-07 16:40 ` Baicar, Tyler
2017-03-17 16:43 ` James Morse [this message]
2017-03-21 19:19 ` Baicar, Tyler
2017-03-06 20:44 ` [PATCH V12 06/10] acpi: apei: panic OS with fatal error status block Tyler Baicar
2017-03-06 20:45 ` [PATCH V12 07/10] efi: print unrecognized CPER section Tyler Baicar
2017-03-06 21:05 ` Joe Perches
2017-03-07 16:39 ` Baicar, Tyler
2017-03-06 20:45 ` [PATCH V12 08/10] ras: acpi / apei: generate trace event for " Tyler Baicar
2017-03-06 20:45 ` [PATCH V12 09/10] trace, ras: add ARM processor error trace event Tyler Baicar
2017-03-09 9:41 ` Xie XiuQi
2017-03-10 18:23 ` Baicar, Tyler
2017-03-13 2:31 ` Xie XiuQi
2017-03-13 9:00 ` Xie XiuQi
2017-03-13 13:58 ` Steven Rostedt
2017-03-14 9:35 ` Xie XiuQi
2017-03-14 19:29 ` Baicar, Tyler
2017-03-06 20:45 ` [PATCH V12 10/10] arm/arm64: KVM: add guest SEA support Tyler Baicar
2017-03-07 11:48 ` James Morse
2017-03-07 17:58 ` Baicar, Tyler
2017-03-08 16:09 ` James Morse
2017-03-10 18:15 ` Baicar, Tyler
2017-03-07 11:37 ` [PATCH V12 00/10] Add UEFI 2.6 and ACPI 6.1 updates for RAS on ARM64 James Morse
2017-03-07 16:37 ` Baicar, Tyler
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