Messages in this thread | | | Date | Fri, 28 Jan 2022 14:09:47 +0000 | From | Daniel Thompson <> | Subject | Re: [PATCH v2 4/5] modules: Add CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC |
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On Thu, Jan 27, 2022 at 11:28:09AM +0000, Christophe Leroy wrote: > Add CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC to allow architectures > to request having modules data in vmalloc area instead of module area. > > This is required on powerpc book3s/32 in order to set data non > executable, because it is not possible to set executability on page > basis, this is done per 256 Mbytes segments. The module area has exec > right, vmalloc area has noexec. > > This can also be useful on other powerpc/32 in order to maximize the > chance of code being close enough to kernel core to avoid branch > trampolines. > > Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> > Cc: Jason Wessel <jason.wessel@windriver.com> > Cc: Daniel Thompson <daniel.thompson@linaro.org> > Cc: Douglas Anderson <dianders@chromium.org>
Thanks for diligence in making sure kdb is up to date!
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Daniel.
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