| 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
| ||
|
Date: Fri, 2 Jun 2023 17:34:23 +0200
From: Werner Sembach <wse@...edocomputers.com>
To: Mario Limonciello <mario.limonciello@....com>,
linux-acpi@...r.kernel.org, rafael@...nel.org
Cc: linux-kernel@...r.kernel.org, ofenfisch@...glemail.com,
adam.niederer@...il.com, adrian@...und.io, jirislaby@...nel.org,
Renjith.Pananchikkal@....com, anson.tsao@....com,
Richard.Gong@....com, Chuanhong Guo <gch981213@...il.com>,
evilsnoo@...ton.me, ruinairas1992@...il.com, nmschulte@...il.com
Subject: Re: [PATCH v3] ACPI: resource: Remove "Zen" specific match and quirks
Works for TongFang GMxRGxx/XMG CORE 15 (M22)/TUXEDO Stellaris 15 Gen4 AMD
Tested-by: Werner Sembach <wse@...edocomputers.com>
Am 02.06.23 um 00:11 schrieb Mario Limonciello:
> commit 9946e39fe8d0 ("ACPI: resource: skip IRQ override on
> AMD Zen platforms") attempted to overhaul the override logic so it
> didn't apply on X86 AMD Zen systems. This was intentional so that
> systems would prefer DSDT values instead of default MADT value for
> IRQ 1 on Ryzen 6000 systems which typically uses ActiveLow for IRQ1.
>
> This turned out to be a bad assumption because several vendors
> add Interrupt Source Override but don't fix the DSDT. A pile of
> quirks was collecting that proved this wasn't sustaintable.
>
> Furthermore some vendors have used ActiveHigh for IRQ1.
> To solve this problem revert the following commits:
> * commit 17bb7046e7ce ("ACPI: resource: Do IRQ override on all TongFang
> GMxRGxx")
> * commit f3cb9b740869 ("ACPI: resource: do IRQ override on Lenovo 14ALC7")
> * commit bfcdf58380b1 ("ACPI: resource: do IRQ override on LENOVO IdeaPad")
> * commit 7592b79ba4a9 ("ACPI: resource: do IRQ override on XMG Core 15")
> * commit 9946e39fe8d0 ("ACPI: resource: skip IRQ override on AMD Zen
> platforms")
>
> Cc: ofenfisch@...glemail.com
> Cc: wse@...edocomputers.com
> Cc: adam.niederer@...il.com
> Cc: adrian@...und.io
> Cc: jirislaby@...nel.org
> Cc: Renjith.Pananchikkal@....com
> Cc: anson.tsao@....com
> Cc: Richard.Gong@....com
> Cc: Chuanhong Guo <gch981213@...il.com>
> Reported-by: evilsnoo@...ton.me
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217394
> Reported-by: ruinairas1992@...il.com
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217406
> Reported-by: nmschulte@...il.com
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217336
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>
> ---
> v2->v3:
> * Adjust to drop heuristics entirely
> * Drop tested tags
> * Add more links and people to Cc
> * Drop Fixes tag as this got a lot more risky
> v1->v2:
> * Rebase on 71a485624c4c ("ACPI: resource: Add IRQ override quirk for LG UltraPC 17U70P")
> * Pick up tag
>
> Rafael,
> Please hold off on picking this up until the majority of those on CC
> have tested it on hardware they have and reported results.
>
> Everyone else,
> Please test. If you have problems with this applied, please share
> an acpidump and dmesg either on a bug or to me privately.
> ---
> drivers/acpi/resource.c | 60 -----------------------------------------
> 1 file changed, 60 deletions(-)
>
> diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
> index 0800a9d77558..1dd8d5aebf67 100644
> --- a/drivers/acpi/resource.c
> +++ b/drivers/acpi/resource.c
> @@ -470,52 +470,6 @@ static const struct dmi_system_id asus_laptop[] = {
> { }
> };
>
> -static const struct dmi_system_id lenovo_laptop[] = {
> - {
> - .ident = "LENOVO IdeaPad Flex 5 14ALC7",
> - .matches = {
> - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> - DMI_MATCH(DMI_PRODUCT_NAME, "82R9"),
> - },
> - },
> - {
> - .ident = "LENOVO IdeaPad Flex 5 16ALC7",
> - .matches = {
> - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> - DMI_MATCH(DMI_PRODUCT_NAME, "82RA"),
> - },
> - },
> - { }
> -};
> -
> -static const struct dmi_system_id tongfang_gm_rg[] = {
> - {
> - .ident = "TongFang GMxRGxx/XMG CORE 15 (M22)/TUXEDO Stellaris 15 Gen4 AMD",
> - .matches = {
> - DMI_MATCH(DMI_BOARD_NAME, "GMxRGxx"),
> - },
> - },
> - { }
> -};
> -
> -static const struct dmi_system_id maingear_laptop[] = {
> - {
> - .ident = "MAINGEAR Vector Pro 2 15",
> - .matches = {
> - DMI_MATCH(DMI_SYS_VENDOR, "Micro Electronics Inc"),
> - DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-15A3070T"),
> - }
> - },
> - {
> - .ident = "MAINGEAR Vector Pro 2 17",
> - .matches = {
> - DMI_MATCH(DMI_SYS_VENDOR, "Micro Electronics Inc"),
> - DMI_MATCH(DMI_PRODUCT_NAME, "MG-VCP2-17A3070T"),
> - },
> - },
> - { }
> -};
> -
> static const struct dmi_system_id lg_laptop[] = {
> {
> .ident = "LG Electronics 17U70P",
> @@ -539,10 +493,6 @@ struct irq_override_cmp {
> static const struct irq_override_cmp override_table[] = {
> { medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
> { asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
> - { lenovo_laptop, 6, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true },
> - { lenovo_laptop, 10, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true },
> - { tongfang_gm_rg, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
> - { maingear_laptop, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
> { lg_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
> };
>
> @@ -562,16 +512,6 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity,
> return entry->override;
> }
>
> -#ifdef CONFIG_X86
> - /*
> - * IRQ override isn't needed on modern AMD Zen systems and
> - * this override breaks active low IRQs on AMD Ryzen 6000 and
> - * newer systems. Skip it.
> - */
> - if (boot_cpu_has(X86_FEATURE_ZEN))
> - return false;
> -#endif
> -
> return true;
> }
>
Powered by blists - more mailing lists