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Message-ID: <5633E9A9.3000605@infradead.org> Date: Fri, 30 Oct 2015 15:05:29 -0700 From: Randy Dunlap <rdunlap@...radead.org> To: Murtaza Alexandru <alexandru.murtaza@...el.com>, linux-kernel@...r.kernel.org Cc: teodora.baluta@...el.com, levex@...ux.com, dirk.hohndel@...el.com, h.peter.anvin@...el.com Subject: Re: [RFC][PATCH] Oops messages transfer using QR codes On 10/30/15 08:03, Murtaza Alexandru wrote: > This patch is continued from this previous RFC: > https://lkml.org/lkml/2014/3/17/525 > > --- > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index ab76b99..822fe7d 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -15,6 +15,23 @@ config PRINTK_TIME > The behavior is also controlled by the kernel command line > parameter printk.time=1. See Documentation/kernel-parameters.txt > > +config QR_OOPS > + bool "Display QR barcode for Oops messages for debugging purposes" > + depends on PRINTK && FB > + select QRLIB > + select ZLIB_DEFLATE > + select ZLIB_INFLATE > + select FB_CFB_FILLRECT > + select REED_SOLOMON > + select REED_SOLOMON_ENC8 > + help > + Selecting this option makes printk() calls to accumulate > + the Oops messages in a buffer, compresses the message > + and prints the OR to the frame buffer device. ? QR > + > + This is an experimental feature at the moment. > + > + -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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