From: ahs3@redhat.com (Al Stone)
To: linux-arm-kernel@lists.infradead.org
Subject: [Linaro-acpi] [PATCH v3 1/5] ACPI: add in a bad_madt_entry() function to eventually replace the macro
Date: Thu, 10 Sep 2015 08:13:36 -0600 [thread overview]
Message-ID: <55F19010.9060603@redhat.com> (raw)
In-Reply-To: <20150910121413.GA11267@xora-haswell.xora.org.uk>
On 09/10/2015 06:14 AM, Graeme Gregory wrote:
> On Wed, Sep 09, 2015 at 03:09:47PM -0600, Al Stone wrote:
>> The existing BAD_MADT_ENTRY macro only checks that the size of the data
>> structure for an MADT subtable matches the length entry in the subtable.
>> This is, unfortunately, not reliable. Nor, as it turns out, does it have
>> anything to do with what the length should be in any particular table.
>>
[snip...]
if (handler(entry, table_end))
>> return -EINVAL;
>>
>> @@ -349,7 +592,7 @@ int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
>> return -ENODEV;
>> }
>>
>> -/*
>> +/*
>> * The BIOS is supposed to supply a single APIC/MADT,
>> * but some report two. Provide a knob to use either.
>> * (don't you wish instance 0 and 1 were not the same?)
>
> Unrelated whitespace change snuck in here.
>
> Graeme
Bah. Nice catch; not sure how that got in there, but duly noted.
--
ciao,
al
-----------------------------------
Al Stone
Software Engineer
Red Hat, Inc.
ahs3 at redhat.com
-----------------------------------
next prev parent reply other threads:[~2015-09-10 14:13 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-09 21:09 [PATCH v3 0/5] ACPI: Provide better MADT subtable sanity checks Al Stone
2015-09-09 21:09 ` [PATCH v3 1/5] ACPI: add in a bad_madt_entry() function to eventually replace the macro Al Stone
2015-09-10 12:14 ` [Linaro-acpi] " Graeme Gregory
2015-09-10 14:13 ` Al Stone [this message]
2015-09-09 21:09 ` [PATCH v3 2/5] ACPI / ARM64: remove usage of BAD_MADT_ENTRY/BAD_MADT_GICC_ENTRY Al Stone
2015-09-09 21:09 ` [PATCH v3 3/5] ACPI / IA64: remove usage of BAD_MADT_ENTRY Al Stone
2015-09-09 21:09 ` [PATCH v3 4/5] ACPI / X86: " Al Stone
2015-09-09 21:09 ` [PATCH v3 5/5] ACPI: remove definition of BAD_MADT_ENTRY macro Al Stone
2015-09-10 12:16 ` [Linaro-acpi] [PATCH v3 0/5] ACPI: Provide better MADT subtable sanity checks Graeme Gregory
2015-09-15 21:13 ` Al Stone
2015-09-16 2:44 ` Rafael J. Wysocki
2015-09-16 16:24 ` Al Stone
2015-09-16 16:27 ` Al Stone
2015-09-16 19:26 ` Al Stone
2015-09-17 0:34 ` Rafael J. Wysocki
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