Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 26 May 2015 19:20:02 +0600 | Subject | Re: [PATCH v8 0/3] x86/earlyprintk: setup serial earlyprintk as early as possible | From | Alexander Kuleshov <> |
| |
2015-05-26 19:17 GMT+06:00 Borislav Petkov <bp@suse.de>: > On Tue, May 26, 2015 at 07:06:47PM +0600, Alexander Kuleshov wrote: >> The early_printk function is usable only after the setup_early_printk will >> be executed. We pass 'earlyprintk' through the kernel command line. So, it >> means that earlyprintk will be usable only after the 'parse_early_param' >> will be executed. We have usable earlyprintk only during early boot, kernel >> decompression and after call of the 'parse_early_param'. This patchset makes >> serial earlyprintk usable before the call of the 'parse_early_param'. > > ... and? > > Why do we need it usable before parse_early_param()? Use case? >
To be able to use early_printk and serial console between kernel decompression and parse_eary_param.
| ![\](/images/icornerr.gif) |