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authorH. Peter Anvin <hpa@zytor.com>2012-05-24 07:01:38 -0700
committerBen Hutchings <ben@decadent.org.uk>2012-05-31 00:44:10 +0100
commita4a79515880b12f91cb95bf216075805e3f876cf (patch)
tree0f70587942ceaea96d3fba71c78d91a8e7628af7 /Makefile
parent41799aef7b2cb022b60738b8641eff9ea02c6561 (diff)
x86, relocs: Add jiffies and jiffies_64 to the relative whitelist
commit ea17e7414bc62e8d3bde8d08e3df1d921c518c17 upstream. The symbol jiffies is created in the linker script as an alias to jiffies_64. Unfortunately this is done outside any section, and apparently GNU ld 2.21 doesn't carry the section with it, so we end up with an absolute symbol and therefore a broken kernel. Add jiffies and jiffies_64 to the whitelist. The most disturbing bit with this discovery is that it shows that we have had multiple linker bugs in this area crossing multiple generations, and have been silently building bad kernels for some time. Link: http://lkml.kernel.org/r/20120524171604.0d98284f3affc643e9714470@canb.auug.org.au Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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