Messages in this thread | | | Date | Tue, 28 Jan 2014 16:08:57 -0500 | From | Dave Jones <> | Subject | Re: [GIT PULL] x86/kaslr for v3.14 |
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On Tue, Jan 28, 2014 at 12:25:15PM -0800, Linus Torvalds wrote: > On Tue, Jan 28, 2014 at 12:15 PM, Borislav Petkov <bp@alien8.de> wrote: > > > > Shouldn't we hold that down in the Kconfig help text of DEBUG_INFO? > > Something like: > > > > "You don't need to enable this if you want symbolic names for kernel > > objects. Enable CONFIG_KALLSYMS instead." > > Probably. And then we should make sure that allyesconfig/allmodconfig > don't pick it. > > There *are* reasonable uses for DEBUG_INFO: > > - if you very actively and extensively use kgdb, DEBUG_INFO is very useful. > > - distros might want to build distro kernels with DEBUG_INFO for the > kernel debug package
- objdump -S is kind of useful. I find myself using that quite often. (like at least a dozen times each merge window)
pretty sure it works with DEBUG_INFO_REDUCED though, which is somewhat faster than full DEBUG_INFO
Dave
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