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authorMarshall Dawson <marshalldawson3rd@gmail.com>2018-10-25 13:01:55 -0600
committerMartin Roth <martinroth@google.com>2018-10-29 18:01:43 +0000
commit46fc6847832e77f3b1fc1a5c27265874508f2926 (patch)
tree1ba57c7bf371d815c721856262379345893ef566 /src/mainboard/emulation
parentbf00401e8a4d58c2717ae0d9d45ea5a0114b0990 (diff)
x86/mp_init: Add configurable stack size for SMM relocate
A stack overrun has been observed on AMD64 CPUs during the SMM module relocation process. Change the assumed required size from equaling the save structure's size to a Kconfig symbol. A value of 0x400 doubles the size used by AMD64 systems and maintains the size used by EM64T. BUG=b:118420852 TEST=S3 on Grunt and verify 0x2f000-0x30000 uncorrupted Change-Id: Ib1d590ee4afb06ca649afd6ad253cdfd969ae777 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-on: https://review.coreboot.org/29277 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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