Re: [PATCH v3 6/6] Documentation/kernel-parameters: add/update printk_delay/boot_delay
Steven Rostedt <[email protected]>
| Newsgroups | dev.linux.lists.linux-rt-devel,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
On Sun, 12 Jul 2026 11:20:37 +0100 Andrew Murray <[email protected]> wrote: > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 2884103b93bca7b76cd3a93946276074cf62d0a1..1118feda87b1b04543b1da0bd52c090b1fddaeac 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -650,11 +650,19 @@ Kernel parameters > See Documentation/block/cmdline-partition.rst > > boot_delay= [KNL,EARLY] > - Milliseconds to delay each printk during boot. > - Only works if GENERIC_CALIBRATE_DELAY is enabled, > - and you may also have to specify "lpj=". Boot_delay > - values larger than 10 seconds (10000) are assumed > - erroneous and ignored. > + Milliseconds to delay each printk during and post boot. > + Boot time delays only work if GENERIC_CALIBRATE_DELAY > + is enabled. > + > + Once booted the delay can be removed or adjusted via > + the printk_delay sysctl. > + > + Please note that you may also have to specify "lpj=". > + Boot_delay values larger than 10 seconds (10000) are > + assumed erroneous and ignored. > + > + This will soon be deprecated, please use printk_delay > + instead. > Format: integer > > bootconfig [KNL,EARLY] > @@ -5468,6 +5476,19 @@ Kernel parameters > printk.time= Show timing data prefixed to each printk message line > Format: <bool> (1/Y/y=enable, 0/N/n=disable) > > + printk_delay= [KNL,EARLY] > + Milliseconds to delay each printk during and post boot. > + Boot time delays only work if GENERIC_CALIBRATE_DELAY > + is enabled. > + > + Once booted the delay can be removed or adjusted via > + the printk_delay sysctl. > + > + Please note that you may also have to specify "lpj=". > + printk_delay values larger than 10 seconds (10000) are > + assumed erroneous and ignored. > + Format: integer > + The two parameters descriptions are identical. They should show something different. Is it just that the "boot_delay" name is getting deprecated? -- Steve