Messages in this thread | | | Date | Mon, 30 Jul 2012 22:56:17 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] ARM: Sort exception table at compile time |
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On Mon, Jul 30, 2012 at 02:30:03PM -0700, Stephen Boyd wrote: > Add the ARM machine identifier to sortextable and select the > config option so that we can sort the exception table at compile > time. sortextable relies on a section named __ex_table existing > in the vmlinux, but ARM's linker script places the exception > table in the data section. Give the exception table its own > section so that sortextable can find it. > > This allows us to skip the runtime sorting step during boot. > > Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> > Cc: David Daney <david.daney@cavium.com> > --- > > I can't find any information on why the exception table lives in the data > section. If there's a good reason for that, I'll look into changing > sortextable to look for the __start___ex_table symbol.
Be careful about the placement of this, especially with XIP.
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