On Sat, 2011-04-23 at 22:56 +0530, Faheem Mitha wrote: > > On Sat, 23 Apr 2011, Faheem Mitha wrote: > > > I've made some more changes - mostly additions - to your patch. > [snippage] > > Oops, I accidentally included some redundant stuff. Resending > corrected patch. > > Regards, Faheem > > diff -r 657cba972ce9 -r 4f9540ff7c84 chapter-common-tasks.sgml > --- a/chapter-common-tasks.sgml Mon Apr 18 11:54:22 2011 +0530 > +++ b/chapter-common-tasks.sgml Sat Apr 23 22:53:06 2011 +0530 [...] > @@ -104,6 +104,60 @@ > (featuresets added). You should apply the extra patches in > the appropriate subdirectory. > </p> > + <p> > + To change the configuration before building, for example > + for the 686-bigmem flavour on i386, run the commands: > + <example> > +$ fakeroot make -f debian/rules.gen setup_i386_none_686-bigmem > +$ make -C debian/build/build_i386_none_686-bigmem menuconfig > + </example> > + </p> > + <p> > + Patches or configuration changes to the kernel may alter > + the kernel Application Binary Interface (ABI). > + </p> > + <p> > + If an exported function is conditional on CONFIG_FOO, or > + it uses a type whose definition depends on CONFIG_FOO, > + then turning CONFIG_FOO on or off changes the ABI of that > + function, and thus of the kernel as a whole. > + </p> > + <p> > + Enabling or changing the configuration of a single driver > + usually doesn't change the ABI, because most drivers don't > + export anything. > + </p> [...]
I think this is just too much detail for this section. If you think it's necessary to explain ABI maintenance in this much detail, that probably belongs in a new chapter. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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