linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
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
-----------------------------------

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=55F19010.9060603@redhat.com \
    --to=ahs3@redhat.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).