Hi, I've rebased my two kernel config patches, attached, to the latest v4.17.17-1 buster kernel. These patches enable kernel features for newer ARM64 servers.
0001-arm64-Use-default-of-CONFIG_ACPI_NFIT-m.patch 0002-arm64-Updates-for-ACPI-servers.patch The issue that Riku brought up of how to support HPE m400 moonshot systems when ACPI_APEI is enabled has been resolved on the arm-kernel ML [1]. In summary, the latest released m400 firmware did not support APEI, and so no special work-around or kernel quirk support is needed. With the resolution of that issue I feel these patches are ready to apply. Please consider. [1] https://www.spinics.net/lists/arm-kernel/msg670446.html (efi: add contents of LinuxExtraArgs EFI var to command line) -Geoff
>From 7d93f2d534f3ba60b94402b337e165d34e1caf25 Mon Sep 17 00:00:00 2001 From: Geoff Levand <ge...@infradead.org> Date: Wed, 13 Jun 2018 10:50:57 -0700 Subject: [PATCH 1/7] [arm64] Use default of CONFIG_ACPI_NFIT=m Commit ed497f3cb706d0e0f63844b064d9ebbf6f33b052 (Add server and 96boards options) added an arm64 specific CONFIG_ACPI_NFIT=y, overriding the default of =m, but the commit message mentions nothing about why this was done. Remove the arm64 specific setting and use the default of module build. Cc: Riku Voipio <riku.voi...@linaro.org> Signed-off-by: Geoff Levand <ge...@infradead.org> --- debian/config/arm64/config | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/debian/config/arm64/config b/debian/config/arm64/config index adf3e60bd9f5..72f2dadc16e3 100644 --- a/debian/config/arm64/config +++ b/debian/config/arm64/config @@ -71,7 +71,7 @@ CONFIG_ACPI_NUMA=y ## ## file: drivers/acpi/nfit/Kconfig ## -CONFIG_ACPI_NFIT=y +CONFIG_ACPI_NFIT=m ## ## file: drivers/android/Kconfig -- 2.14.1
>From 10f4c4399f54d99f293047c3d6dfeba08849526e Mon Sep 17 00:00:00 2001 From: Geoff Levand <ge...@infradead.org> Date: Wed, 13 Jun 2018 10:50:57 -0700 Subject: [PATCH 2/7] [arm64] Updates for ACPI servers o Enable CONFIG_SCHED_SMT for hyperthreading processors. o Enable CONFIG_ARM64_LSE_ATOMICS for v8.1 processors. o Enable a number of ACPI options likely to be available on servers. o CONFIG_ACPI_APEI selects PSTORE, so remove the arm64 specific setting. Signed-off-by: Geoff Levand <ge...@infradead.org> --- debian/config/arm64/config | 29 ++++++++++++++++++++++++----- 1 file changed, 24 insertions(+), 5 deletions(-) diff --git a/debian/config/arm64/config b/debian/config/arm64/config index 72f2dadc16e3..250395babf59 100644 --- a/debian/config/arm64/config +++ b/debian/config/arm64/config @@ -9,6 +9,7 @@ CONFIG_ARM64_ERRATUM_834220=y CONFIG_ARM64_VA_BITS_48=y ## end choice CONFIG_SCHED_MC=y +CONFIG_SCHED_SMT=y CONFIG_NR_CPUS=256 CONFIG_NUMA=y CONFIG_SECCOMP=y @@ -24,6 +25,7 @@ CONFIG_RANDOMIZE_BASE=y CONFIG_RANDOMIZE_MODULE_REGION_FULL=y CONFIG_ARM64_ACPI_PARKING_PROTOCOL=y CONFIG_COMPAT=y +CONFIG_ARM64_LSE_ATOMICS=y ## ## file: arch/arm64/crypto/Kconfig @@ -67,6 +69,21 @@ CONFIG_ARCH_XGENE=y ## CONFIG_ACPI=y CONFIG_ACPI_NUMA=y +CONFIG_ACPI_PCI_SLOT=y +CONFIG_ACPI_HED=y +CONFIG_ACPI_BGRT=y +CONFIG_ACPI_WATCHDOG=y +CONFIG_ACPI_CONFIGFS=m + +## +## file: drivers/acpi/apei/Kconfig +## +CONFIG_ACPI_APEI=y +CONFIG_ACPI_APEI_GHES=y +CONFIG_ACPI_APEI_PCIEAER=y +CONFIG_ACPI_APEI_SEA=y +CONFIG_ACPI_APEI_MEMORY_FAILURE=y +CONFIG_ACPI_APEI_EINJ=m ## ## file: drivers/acpi/nfit/Kconfig @@ -222,6 +239,12 @@ CONFIG_EXTCON_USB_GPIO=m ## CONFIG_RASPBERRYPI_FIRMWARE=y +## +## file: drivers/firmware/efi/Kconfig +## +CONFIG_UEFI_CPER=y +CONFIG_UEFI_CPER_ARM=y + ## ## file: drivers/gpio/Kconfig ## @@ -1097,6 +1120,7 @@ CONFIG_VIRTIO_MMIO=m ## file: drivers/watchdog/Kconfig ## CONFIG_GPIO_WATCHDOG=m +CONFIG_WDAT_WDT=m CONFIG_ARM_SP805_WATCHDOG=m CONFIG_ARM_SBSA_WATCHDOG=m CONFIG_DW_WATCHDOG=m @@ -1107,11 +1131,6 @@ CONFIG_MESON_GXBB_WATCHDOG=m CONFIG_MESON_WATCHDOG=m CONFIG_BCM2835_WDT=m -## -## file: fs/pstore/Kconfig -## -CONFIG_PSTORE=y - ## ## file: mm/Kconfig ## -- 2.14.1