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Groups > linux.kernel > #1642592 > unrolled thread
| Started by | Petr Mladek <pmladek@suse.com> |
|---|---|
| First post | 2017-05-16 16:50 +0200 |
| Last post | 2017-05-18 16:20 +0200 |
| Articles | 2 — 2 participants |
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Re: [RFC 5/6] lib: vsprintf: Add "%paP", "%padP" options Petr Mladek <pmladek@suse.com> - 2017-05-16 16:50 +0200
Re: [RFC 5/6] lib: vsprintf: Add "%paP", "%padP" options Greg KH <gregkh@linuxfoundation.org> - 2017-05-18 16:20 +0200
| From | Petr Mladek <pmladek@suse.com> |
|---|---|
| Date | 2017-05-16 16:50 +0200 |
| Subject | Re: [RFC 5/6] lib: vsprintf: Add "%paP", "%padP" options |
| Message-ID | <tHLXr-6QP-1@gated-at.bofh.it> |
On Fri 2017-05-05 21:07:47, Greg KH wrote: > From: Chris Fries <cfries@google.com> > > Add %paP and %padP for physical address that need to always be shown > regardless of kptr restrictions. > > Cc: William Roberts <william.c.roberts@intel.com> > Cc: Dave Weinstein <olorin@google.com> > Signed-off-by: Chris Fries <cfries@google.com> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > --- > Documentation/printk-formats.txt | 10 ++++++---- > lib/vsprintf.c | 12 +++++++++--- > 2 files changed, 15 insertions(+), 7 deletions(-) This patch should update also the section about kptr_restrict in Documentation/sysctl/kernel.txt. It should mention that the trailing P allows to see pointers also for %pa, and %p[rR] formats when the level is 4. Best Regards, Petr
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| From | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| Date | 2017-05-18 16:20 +0200 |
| Message-ID | <tIurw-3RH-7@gated-at.bofh.it> |
| In reply to | #1642592 |
On Tue, May 16, 2017 at 04:41:04PM +0200, Petr Mladek wrote: > On Fri 2017-05-05 21:07:47, Greg KH wrote: > > From: Chris Fries <cfries@google.com> > > > > Add %paP and %padP for physical address that need to always be shown > > regardless of kptr restrictions. > > > > Cc: William Roberts <william.c.roberts@intel.com> > > Cc: Dave Weinstein <olorin@google.com> > > Signed-off-by: Chris Fries <cfries@google.com> > > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > > --- > > Documentation/printk-formats.txt | 10 ++++++---- > > lib/vsprintf.c | 12 +++++++++--- > > 2 files changed, 15 insertions(+), 7 deletions(-) > > This patch should update also the section about > kptr_restrict in Documentation/sysctl/kernel.txt. > It should mention that the trailing P allows to see > pointers also for %pa, and %p[rR] formats when > the level is 4. Ah, good point, will do! greg k-h
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