On Fri, 2007-09-14 at 18:42 -0400, Dave Jones wrote: > On Sat, Sep 15, 2007 at 01:34:24AM +0300, Gilboa Davara wrote: > > > > In light of this, I'd like to propose that we turn off > > > DEBUG_STACKOVERFLOW in Fedora, at least on x86/4KSTACKS. I think it > > > does more harm than good; the warning is going to turn deadly most of > > > the time. > > > > > Sorry for butting in... but isn't disabling STACKOVERFLOW the wrong > > answer to this problem? > > Does anyone see any reason why both sprint_symbol and __print_symbol > > shouldn't use dynamically allocated buffers instead of wasting stack > > space? * > > I think the reason is that kmalloc can sleep, and those functions > may be called from code that can't sleep. > > Dave >
kmalloc(GFP_ATOMIC) should not sleep. ... I wonder if there's a way, with no local_irq_disable/enable to use some pre-allocated per_cpu buffer. .. Either way, if such a patch is required, I should really propose and push it upstream. - Gilboa _______________________________________________ Fedora-kernel-list mailing list Fedora-kernel-list@redhat.com https://www.redhat.com/mailman/listinfo/fedora-kernel-list
