Re: [PATCH v6] Introduce support for Systems Management Driver over WMI for Dell Systems

2020-10-26 Thread Hans de Goede
Hi, On 10/26/20 4:39 PM, Limonciello, Mario wrote: >> This was present in previous versions too, but I just noticed this are you >> sure that using >> .string.pointer is correct here? That seems wrong since the pointer gets >> allocated by >> the Linux ACPI core, so it is not under influence of th

RE: [PATCH v6] Introduce support for Systems Management Driver over WMI for Dell Systems

2020-10-26 Thread Limonciello, Mario
> This was present in previous versions too, but I just noticed this are you > sure that using > .string.pointer is correct here? That seems wrong since the pointer gets > allocated by > the Linux ACPI core, so it is not under influence of the AML code? > > I think you want / need to use ".integer

Re: [PATCH v6] Introduce support for Systems Management Driver over WMI for Dell Systems

2020-10-26 Thread Hans de Goede
Hi, On 10/26/20 4:25 PM, Limonciello, Mario wrote: >>> + >>> + print_hex_dump_bytes("set attribute data: ", DUMP_PREFIX_NONE, buffer, >> buffer_size); >> >> This seems to be a debugging left-over? > > Yes it was for debugging, but its configurable to turn on by dynamic > debug as I can tell. I

RE: [PATCH v6] Introduce support for Systems Management Driver over WMI for Dell Systems

2020-10-26 Thread Limonciello, Mario
> > + > > + print_hex_dump_bytes("set attribute data: ", DUMP_PREFIX_NONE, buffer, > buffer_size); > > This seems to be a debugging left-over? Yes it was for debugging, but its configurable to turn on by dynamic debug as I can tell. Is that not correct?

Re: [PATCH v6] Introduce support for Systems Management Driver over WMI for Dell Systems

2020-10-26 Thread Hans de Goede
Hi, Full review below. Almost there, just a few small items remaining, see remarks inline. The most important 2 issues to fix are: 1. Rework the new populate_string_buffer function a bitl and add a new calculate_string_buffer helper. 2. Drop the !capable(CAP_SYS_ADMIN) checks, instead make t

[PATCH v6] Introduce support for Systems Management Driver over WMI for Dell Systems

2020-10-06 Thread Divya Bharathi
The Dell WMI Systems Management Driver provides a sysfs interface for systems management to enable BIOS configuration capability on certain Dell Systems. This driver allows user to configure Dell systems with a uniform common interface. To facilitate this, the patch introduces a generic way for dr