From fd9b0830b0be0ea89cf30ad846a232e0c442a18a Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 29 Jan 2020 15:06:21 +0100 Subject: [PATCH] acpi: cpuhp: document CPHP_GET_CPU_ID_CMD command Commit 3a61c8db9d25 introduced CPHP_GET_CPU_ID_CMD command but did not sufficiently describe it. Fix it by adding missing command documentation. Fixes: 3a61c8db9d25 ("acpi: cpuhp: add CPHP_GET_CPU_ID_CMD command") Signed-off-by: Igor Mammedov Reviewed-by: Laszlo Ersek Message-Id: <1580306781-228371-1-git-send-email-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- docs/specs/acpi_cpu_hotplug.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.txt index a8ce5e7402..9bb22d1270 100644 --- a/docs/specs/acpi_cpu_hotplug.txt +++ b/docs/specs/acpi_cpu_hotplug.txt @@ -94,6 +94,8 @@ write access: register in QEMU 2: following writes to 'Command data' register set OST status register in QEMU + 3: following reads from 'Command data' and 'Command data 2' return + architecture specific CPU ID value for currently selected CPU. other values: reserved [0x6-0x7] reserved [0x8] Command data: (DWORD access)