From: Grzegorz Uriasz <gorbak25@gmail.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>
Cc: artur@puzio.waw.pl, Wei Liu <wl@xen.org>,
jakub@bartmin.ski, Andrew Cooper <andrew.cooper3@citrix.com>,
marmarek@invisiblethingslab.com, j.nowak26@student.uw.edu.pl,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width
Date: Wed, 17 Jun 2020 08:16:47 +0200 [thread overview]
Message-ID: <4787679a-1f1a-5905-b130-a95a5542c7be@gmail.com> (raw)
In-Reply-To: <20200616152515.GQ735@Air-de-Roger>
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I will submit the v2 patch today.
Best Regards,
Grzegorz
On 16/06/2020 17:25, Roger Pau Monné wrote:
> On Tue, Jun 16, 2020 at 05:11:58PM +0200, Jan Beulich wrote:
>> On 16.06.2020 16:59, Roger Pau Monné wrote:
>>> On Tue, Jun 16, 2020 at 03:25:42PM +0200, Jan Beulich wrote:
>>>> --- unstable.orig/xen/arch/x86/acpi/boot.c
>>>> +++ unstable/xen/arch/x86/acpi/boot.c
>>>> @@ -480,7 +480,9 @@ static int __init acpi_parse_fadt(struct
>>>> if (fadt->header.revision >= FADT2_REVISION_ID) {
>>>> /* FADT rev. 2 */
>>>> if (fadt->xpm_timer_block.space_id ==
>>>> - ACPI_ADR_SPACE_SYSTEM_IO) {
>>>> + ACPI_ADR_SPACE_SYSTEM_IO &&
>>>> + (fadt->xpm_timer_block.access_width == 0 ||
>>>> + fadt->xpm_timer_block.access_width == 3)) {
>>> We should really have defines for those values, or else they seem to
>>> imply actual access sizes. What about adding
>>> ACPI_ADDR_ACCESS_{LEGACY,BYTE,WORD,DWORD,QWORD}?
>> If there were such defines, I'd have used them. Adding them is
>> inappropriate though, as this would modify an imported header in a
>> Xen-specific way. We could leverage ACPI_ACCESS_BIT_WIDTH() here,
>> though.
> Yes, that would be better IMO.
>
> Thanks, Roger.
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prev parent reply other threads:[~2020-06-17 6:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-14 14:36 [PATCH 0/1] Fix broken suspend on some machines Grzegorz Uriasz
2020-06-14 14:36 ` [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width Grzegorz Uriasz
2020-06-15 7:05 ` Roger Pau Monné
2020-06-16 8:07 ` Jan Beulich
2020-06-16 10:32 ` Roger Pau Monné
2020-06-16 12:31 ` Jan Beulich
2020-06-16 13:25 ` Jan Beulich
2020-06-16 14:59 ` Roger Pau Monné
2020-06-16 15:10 ` Grzegorz Uriasz
2020-06-16 15:13 ` Jan Beulich
2020-06-16 15:11 ` Jan Beulich
2020-06-16 15:25 ` Roger Pau Monné
2020-06-17 6:16 ` Grzegorz Uriasz [this message]
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