| Message ID | 1584603551-23845-2-git-send-email-amit.kachhap@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] arm64/crash_core: Export KERNELPACMASK in vmcoreinfo | expand |
On 3/19/20 2:39 AM, Amit Daniel Kachhap wrote: > Add documentation for KERNELPACMASK variable being added to vmcoreinfo. > > It indicates the PAC bits mask information of signed kernel pointers if > ARMv8.3-A Pointer Authentication feature is present. > > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: James Morse <james.morse@arm.com> > Cc: Dave Anderson <anderson@redhat.com> > Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com> > --- > Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst > index 007a6b8..5cc3ee6 100644 > --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst > +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst > @@ -393,6 +393,12 @@ KERNELOFFSET > The kernel randomization offset. Used to compute the page offset. If > KASLR is disabled, this value is zero. > > +KERNELPACMASK > +------------- > + > +Indicates the PAC bits mask information if Pointer Authentication is > +enabled and address authentication feature is present. > + > arm > === > > > Hi, Does this require changes to the makedumpfile or crash utilities ?
Hi, On 3/19/20 7:21 PM, John Donnelly wrote: > On 3/19/20 2:39 AM, Amit Daniel Kachhap wrote: >> Add documentation for KERNELPACMASK variable being added to vmcoreinfo. >> >> It indicates the PAC bits mask information of signed kernel pointers if >> ARMv8.3-A Pointer Authentication feature is present. >> >> Cc: Catalin Marinas <catalin.marinas@arm.com> >> Cc: Will Deacon <will@kernel.org> >> Cc: Mark Rutland <mark.rutland@arm.com> >> Cc: James Morse <james.morse@arm.com> >> Cc: Dave Anderson <anderson@redhat.com> >> Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com> >> --- >> Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst >> b/Documentation/admin-guide/kdump/vmcoreinfo.rst >> index 007a6b8..5cc3ee6 100644 >> --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst >> +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst >> @@ -393,6 +393,12 @@ KERNELOFFSET >> The kernel randomization offset. Used to compute the page offset. If >> KASLR is disabled, this value is zero. >> +KERNELPACMASK >> +------------- >> + >> +Indicates the PAC bits mask information if Pointer Authentication is >> +enabled and address authentication feature is present. >> + >> arm >> === >> >> > > > Hi, > > Does this require changes to the makedumpfile or crash utilities ? I did the corresponding change in crash tool. The link is mentioned in first patch of the series. Thanks, Amit Daniel > > >
diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst index 007a6b8..5cc3ee6 100644 --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst @@ -393,6 +393,12 @@ KERNELOFFSET The kernel randomization offset. Used to compute the page offset. If KASLR is disabled, this value is zero. +KERNELPACMASK +------------- + +Indicates the PAC bits mask information if Pointer Authentication is +enabled and address authentication feature is present. + arm ===
Add documentation for KERNELPACMASK variable being added to vmcoreinfo. It indicates the PAC bits mask information of signed kernel pointers if ARMv8.3-A Pointer Authentication feature is present. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: James Morse <james.morse@arm.com> Cc: Dave Anderson <anderson@redhat.com> Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com> --- Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++ 1 file changed, 6 insertions(+)