On 12/06/19 12:09, Igor Mammedov wrote: > On Thu, 5 Dec 2019 13:17:22 +0100 > Laszlo Ersek <ler...@redhat.com> wrote: > >> On 12/04/19 18:05, Igor Mammedov wrote: >>> Correct returned value description in case 'Command field' == 0x0, >>> it's in not PXM but CPU selector value with pending event >> >> (1) s/in not/not/ >> >>> >>> In addition describe 0 blanket value in case of not supported >>> 'Command field' value. >>> >>> Signed-off-by: Igor Mammedov <imamm...@redhat.com> >>> --- >>> docs/specs/acpi_cpu_hotplug.txt | 11 +++++------ >>> 1 file changed, 5 insertions(+), 6 deletions(-) >>> >>> diff --git a/docs/specs/acpi_cpu_hotplug.txt >>> b/docs/specs/acpi_cpu_hotplug.txt >>> index 4e65286..19c508f 100644 >>> --- a/docs/specs/acpi_cpu_hotplug.txt >>> +++ b/docs/specs/acpi_cpu_hotplug.txt >>> @@ -56,9 +56,8 @@ read access: >>> 3-7: reserved and should be ignored by OSPM >>> [0x5-0x7] reserved >>> [0x8] Command data: (DWORD access) >>> - in case of error or unsupported command reads is 0xFFFFFFFF >>> - current 'Command field' value: >>> - 0: returns PXM value corresponding to device >>> + contains 0 unless last stored in 'Command field' value is one of: >>> + 0: contains 'CPU selector' value of a CPU with pending >>> event[s] >> >> (2) I think we can improve the word order: >> >> last stored in 'Command field' value >> -> >> value last stored in 'Command field' >> >>> >>> write access: >>> offset: >>> @@ -81,9 +80,9 @@ write access: >>> value: >>> 0: selects a CPU device with inserting/removing events and >>> following reads from 'Command data' register return >>> - selected CPU (CPU selector value). If no CPU with events >>> - found, the current CPU selector doesn't change and >>> - corresponding insert/remove event flags are not set. >>> + selected CPU ('CPU selector' value). >>> + If no CPU with events found, the current 'CPU selector' >>> doesn't >>> + change and corresponding insert/remove event flags are not >>> set. >> >> (3) AFAICT this is only a -- useful! -- re-wrapping. > Not sure what you are trying to say here ...
I meant that you re-wrapped the last sentence, by breaking it off to a separate line. And that I found it useful. Thanks laszlo > >> But, since we are >> modifying this section anyway, can we replace "flags are not set" with >> "flags are left unchanged" or "flags are not modified"? > sure > > >> "set" is ambiguous with bit fields: it can mean "rewritten", and it can >> mean "set to 1". >> >>> 1: following writes to 'Command data' register set OST event >>> register in QEMU >>> 2: following writes to 'Command data' register set OST status >>> >> >> Anyway, these are all superficial comments. Pick up whatever you agree >> with. Either way: >> >> Reviewed-by: Laszlo Ersek <ler...@redhat.com> >> >> Thanks! >> Laszlo >