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| author | Thomas Gleixner <[email protected]> | 2018-01-04 21:19:04 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-01-04 23:39:58 +0000 |
| commit | 1e5476815fd7f98b888e01a0f9522b63085f96c9 (patch) | |
| tree | 1c05ffeeba8b8e6c3058b8dcb88646b186ea8433 /tools/perf/scripts/python/mem-phys-addr.py | |
| parent | x86/events/intel/ds: Use the proper cache flush method for mapping ds buffers (diff) | |
| download | kernel-1e5476815fd7f98b888e01a0f9522b63085f96c9.tar.gz kernel-1e5476815fd7f98b888e01a0f9522b63085f96c9.zip | |
x86/tlb: Drop the _GPL from the cpu_tlbstate export
The recent changes for PTI touch cpu_tlbstate from various tlb_flush
inlines. cpu_tlbstate is exported as GPL symbol, so this causes a
regression when building out of tree drivers for certain graphics cards.
Aside of that the export was wrong since it was introduced as it should
have been EXPORT_PER_CPU_SYMBOL_GPL().
Use the correct PER_CPU export and drop the _GPL to restore the previous
state which allows users to utilize the cards they payed for.
As always I'm really thrilled to make this kind of change to support the
#friends (or however the hot hashtag of today is spelled) from that closet
sauce graphics corp.
Fixes: 1e02ce4cccdc ("x86: Store a per-cpu shadow copy of CR4")
Fixes: 6fd166aae78c ("x86/mm: Use/Fix PCID to optimize user/kernel switches")
Reported-by: Kees Cook <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: [email protected]
Diffstat (limited to 'tools/perf/scripts/python/mem-phys-addr.py')
0 files changed, 0 insertions, 0 deletions