linux-kernel - Re: [PATCH] nvme-pci: Add TUXEDO IBS Gen8 to Samsung sleep quirk

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ca327bf4-cd65-4c3e-b63d-7ac2b88b9cad@tuxedocomputers.com>
Date: Tue, 16 Sep 2025 18:49:48 +0200
From: Werner Sembach <wse@...edocomputers.com>
To: Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
 Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>
Cc: Georg Gottleuber <ggo@...edocomputers.com>,
 linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme-pci: Add TUXEDO IBS Gen8 to Samsung sleep quirk


Am 25.08.25 um 18:07 schrieb Werner Sembach:
> Hi
>
> Am 01.07.25 um 22:55 schrieb Werner Sembach:
>> From: Georg Gottleuber <ggo@...edocomputers.com>
>>
>> On the TUXEDO InfinityBook S Gen8, a Samsung 990 Evo NVMe leads to
>> a high power consumption in s2idle sleep (3.5 watts).
>>
>> This patch applies 'Force No Simple Suspend' quirk to achieve a sleep with
>> a lower power consumption, typically around 1 watts.
>>
>> Signed-off-by: Georg Gottleuber <ggo@...edocomputers.com>
>> Signed-off-by: Werner Sembach <wse@...edocomputers.com>
>> Cc: stable@...r.kernel.org
> gentle bump for this not to be forgotten
bump again
>> ---
>>   drivers/nvme/host/pci.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
>> index 8ff12e415cb5d..d677080e67d33 100644
>> --- a/drivers/nvme/host/pci.c
>> +++ b/drivers/nvme/host/pci.c
>> @@ -3198,10 +3198,12 @@ static unsigned long 
>> check_vendor_combination_bug(struct pci_dev *pdev)
>>            * Exclude Samsung 990 Evo from NVME_QUIRK_SIMPLE_SUSPEND
>>            * because of high power consumption (> 2 Watt) in s2idle
>>            * sleep. Only some boards with Intel CPU are affected.
>> +         * (Note for testing: Samsung 990 Evo Plus has same PCI ID)
>>            */
>>           if (dmi_match(DMI_BOARD_NAME, "DN50Z-140HC-YD") ||
>>               dmi_match(DMI_BOARD_NAME, "GMxPXxx") ||
>>               dmi_match(DMI_BOARD_NAME, "GXxMRXx") ||
>> +            dmi_match(DMI_BOARD_NAME, "NS5X_NS7XAU") ||
>>               dmi_match(DMI_BOARD_NAME, "PH4PG31") ||
>>               dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") ||
>>               dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71"))