linux-kernel - Re: [PATCH] platform/x86: Add s2idle quirk for more Lenovo laptops

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]

Date:   Thu, 26 Oct 2023 10:10:52 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     David Lazar <dlazar@...il.com>,
        Shyam Sundar S K <Shyam-sundar.S-k@....com>,
        Mark Gross <markgross@...nel.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Mario Limonciello <mario.limonciello@....com>,
        Mark Pearson <mpearson-lenovo@...ebb.ca>
Subject: Re: [PATCH] platform/x86: Add s2idle quirk for more Lenovo laptops

Hi,

On 10/25/23 21:30, David Lazar wrote:
> When suspending to idle and resuming on some Lenovo laptops using the
> Mendocino APU, multiple NVME IOMMU page faults occur, showing up in
> dmesg as repeated errors:
> 
> nvme 0000:01:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x000b
> address=0xb6674000 flags=0x0000]
> 
> The system is unstable afterwards.
> 
> Applying the s2idle quirk introduced by commit 455cd867b85b5
> ("platform/x86: thinkpad_acpi: Add a s2idle resume quirk for a number of
> laptops") allows these systems to work with the IOMMU enabled and s2idle
> resume to work.
> 
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218024
> Suggested-by: Mario Limonciello <mario.limonciello@....com>
> Suggested-by: Mark Pearson <mpearson-lenovo@...ebb.ca>
> Signed-off-by: David Lazar <dlazar@...il.com>

Thank you and Mario and Mark thank you for the reviews.

I'll prep + send a fixes pull-req to Linus
with just this single patch tomorrow.

Regards,

Hans



> ---
>  drivers/platform/x86/amd/pmc/pmc-quirks.c | 73 +++++++++++++++++++++++
>  1 file changed, 73 insertions(+)
> 
> diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
> index ad702463a65d..6bbffb081053 100644
> --- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
> +++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
> @@ -111,6 +111,79 @@ static const struct dmi_system_id fwbug_list[] = {
>  			DMI_MATCH(DMI_PRODUCT_NAME, "21A1"),
>  		}
>  	},
> +	/* https://bugzilla.kernel.org/show_bug.cgi?id=218024 */
> +	{
> +		.ident = "V14 G4 AMN",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "82YT"),
> +		}
> +	},
> +	{
> +		.ident = "V14 G4 AMN",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "83GE"),
> +		}
> +	},
> +	{
> +		.ident = "V15 G4 AMN",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "82YU"),
> +		}
> +	},
> +	{
> +		.ident = "V15 G4 AMN",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "83CQ"),
> +		}
> +	},
> +	{
> +		.ident = "IdeaPad 1 14AMN7",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "82VF"),
> +		}
> +	},
> +	{
> +		.ident = "IdeaPad 1 15AMN7",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "82VG"),
> +		}
> +	},
> +	{
> +		.ident = "IdeaPad 1 15AMN7",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "82X5"),
> +		}
> +	},
> +	{
> +		.ident = "IdeaPad Slim 3 14AMN8",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "82XN"),
> +		}
> +	},
> +	{
> +		.ident = "IdeaPad Slim 3 15AMN8",
> +		.driver_data = &quirk_s2idle_bug,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "82XQ"),
> +		}
> +	},
>  	/* https://gitlab.freedesktop.org/drm/amd/-/issues/2684 */
>  	{
>  		.ident = "HP Laptop 15s-eq2xxx",