From: Sudeep Holla <sudeep.holla@arm.com>
To: Al Stone <al.stone@linaro.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
"linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"patches@linaro.org" <patches@linaro.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linaro-acpi@lists.linaro.org" <linaro-acpi@lists.linaro.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Len Brown <lenb@kernel.org>
Subject: Re: [PATCH v2 1/5] ACPI: add in a bad_madt_entry() function to eventually replace the macro
Date: Mon, 07 Sep 2015 16:32:05 +0100 [thread overview]
Message-ID: <55EDADF5.5060008@arm.com> (raw)
In-Reply-To: <1440022048-6285-2-git-send-email-al.stone@linaro.org>
Hi Al,
On 19/08/15 23:07, Al Stone wrote:
I finally got a chance to try this series on Juno. Well it exposed a
firmware bug in MADT table :)
[..]
> acpi_tbl_entry_handler handler,
> @@ -245,6 +484,8 @@ acpi_parse_entries(char *id, unsigned long table_size,
> table_end) {
> if (entry->type == entry_id
> && (!max_entries || count < max_entries)) {
> + if (bad_madt_entry(table_header, entry))
> + return -EINVAL;
Not sure if we can have the above check here unconditionally.
Currently I can see there are 2 other users of acpi_parse_entries i.e.
PCC and NUMA. So may be it can be made conditional or return success for
non-MADT tables from bad_madt_entry ?
Other than that, you can add for ARM64 specific parts:
Reviewed-and-tested-by: Sudeep Holla <sudeep.holla@arm.com>
Regards,
Sudeep
WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com>
To: Al Stone <al.stone@linaro.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
"linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"patches@linaro.org" <patches@linaro.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linaro-acpi@lists.linaro.org" <linaro-acpi@lists.linaro.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Len Brown <lenb@kernel.org>
Subject: Re: [PATCH v2 1/5] ACPI: add in a bad_madt_entry() function to eventually replace the macro
Date: Mon, 07 Sep 2015 15:32:05 +0000 [thread overview]
Message-ID: <55EDADF5.5060008@arm.com> (raw)
In-Reply-To: <1440022048-6285-2-git-send-email-al.stone@linaro.org>
Hi Al,
On 19/08/15 23:07, Al Stone wrote:
I finally got a chance to try this series on Juno. Well it exposed a
firmware bug in MADT table :)
[..]
> acpi_tbl_entry_handler handler,
> @@ -245,6 +484,8 @@ acpi_parse_entries(char *id, unsigned long table_size,
> table_end) {
> if (entry->type = entry_id
> && (!max_entries || count < max_entries)) {
> + if (bad_madt_entry(table_header, entry))
> + return -EINVAL;
Not sure if we can have the above check here unconditionally.
Currently I can see there are 2 other users of acpi_parse_entries i.e.
PCC and NUMA. So may be it can be made conditional or return success for
non-MADT tables from bad_madt_entry ?
Other than that, you can add for ARM64 specific parts:
Reviewed-and-tested-by: Sudeep Holla <sudeep.holla@arm.com>
Regards,
Sudeep
WARNING: multiple messages have this Message-ID (diff)
From: sudeep.holla@arm.com (Sudeep Holla)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/5] ACPI: add in a bad_madt_entry() function to eventually replace the macro
Date: Mon, 07 Sep 2015 16:32:05 +0100 [thread overview]
Message-ID: <55EDADF5.5060008@arm.com> (raw)
In-Reply-To: <1440022048-6285-2-git-send-email-al.stone@linaro.org>
Hi Al,
On 19/08/15 23:07, Al Stone wrote:
I finally got a chance to try this series on Juno. Well it exposed a
firmware bug in MADT table :)
[..]
> acpi_tbl_entry_handler handler,
> @@ -245,6 +484,8 @@ acpi_parse_entries(char *id, unsigned long table_size,
> table_end) {
> if (entry->type == entry_id
> && (!max_entries || count < max_entries)) {
> + if (bad_madt_entry(table_header, entry))
> + return -EINVAL;
Not sure if we can have the above check here unconditionally.
Currently I can see there are 2 other users of acpi_parse_entries i.e.
PCC and NUMA. So may be it can be made conditional or return success for
non-MADT tables from bad_madt_entry ?
Other than that, you can add for ARM64 specific parts:
Reviewed-and-tested-by: Sudeep Holla <sudeep.holla@arm.com>
Regards,
Sudeep
next prev parent reply other threads:[~2015-09-07 15:32 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-19 22:07 [PATCH v2 0/5] ACPI: Provide better MADT subtable sanity checks Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` [PATCH v2 1/5] ACPI: add in a bad_madt_entry() function to eventually replace the macro Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-26 15:38 ` Timur Tabi
2015-08-26 15:38 ` Timur Tabi
2015-08-26 15:38 ` Timur Tabi
2015-08-26 20:30 ` Al Stone
2015-08-26 20:30 ` Al Stone
2015-08-26 20:30 ` Al Stone
2015-09-07 15:32 ` Sudeep Holla [this message]
2015-09-07 15:32 ` Sudeep Holla
2015-09-07 15:32 ` Sudeep Holla
2015-09-08 23:00 ` Al Stone
2015-09-08 23:00 ` Al Stone
2015-09-08 23:00 ` Al Stone
2015-09-09 19:57 ` Al Stone
2015-09-09 19:57 ` Al Stone
2015-09-09 19:57 ` Al Stone
2015-09-10 16:20 ` Sudeep Holla
2015-09-10 16:20 ` Sudeep Holla
2015-09-10 16:20 ` Sudeep Holla
2015-09-10 20:43 ` Al Stone
2015-09-10 20:43 ` Al Stone
2015-09-10 20:43 ` Al Stone
2015-09-11 8:49 ` Sudeep Holla
2015-09-11 8:49 ` Sudeep Holla
2015-09-11 8:49 ` Sudeep Holla
2015-08-19 22:07 ` [PATCH v2 2/5] ACPI / ARM64: remove usage of BAD_MADT_ENTRY/BAD_MADT_GICC_ENTRY Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-20 10:13 ` Will Deacon
2015-08-20 10:13 ` Will Deacon
2015-08-20 10:13 ` Will Deacon
2015-08-20 16:57 ` Al Stone
2015-08-20 16:57 ` Al Stone
2015-08-20 16:57 ` Al Stone
2015-08-24 10:04 ` Will Deacon
2015-08-24 10:04 ` Will Deacon
2015-08-24 10:04 ` Will Deacon
2015-08-19 22:07 ` [PATCH v2 3/5] ACPI / IA64: remove usage of BAD_MADT_ENTRY Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` [PATCH v2 4/5] ACPI / X86: " Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` [PATCH v2 5/5] ACPI: remove definition of BAD_MADT_ENTRY macro Al Stone
2015-08-19 22:07 ` Al Stone
2015-08-19 22:07 ` Al Stone
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