Subject: Re: x86: 4kstacks default
Newsgroups: gmane.linux.kernel
Date: 2008-04-19 14:23:29 GMT (1 year, 10 weeks, 6 days, 3 hours and 52 minutes ago)
* Andrew Morton <akpm <at> linux-foundation.org> wrote: > > config 4KSTACKS > > bool "Use 4Kb for kernel stacks instead of 8Kb" > > - depends on DEBUG_KERNEL > > depends on X86_32 > > + default y > > This patch will cause kernels to crash. what mainline kernels crash and how will they crash? Fedora and other distros have had 4K stacks enabled for years: $ grep 4K /boot/config-2.6.24-9.fc9 CONFIG_4KSTACKS=y and we've conducted tens of thousands of bootup tests with all sorts of drivers and kernel options enabled and have yet to see a single crash due to 4K stacks. So basically the kernel default just follows the common distro default now. (distros and users can still disable it) Ingo