diff options
| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2018-04-28 00:42:52 +0200 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2018-05-21 19:00:48 +0100 |
| commit | 255845fc43a3aaf806852a1d3bc89bff1411ebe3 (patch) | |
| tree | d4b7ec9123394b567e596842f1423351b5c3f0bc /arch/arm64/kernel/arm64ksyms.c | |
| parent | arm64: lse: Add early clobbers to some input/output asm operands (diff) | |
| download | linux-dev-255845fc43a3aaf806852a1d3bc89bff1411ebe3.tar.xz linux-dev-255845fc43a3aaf806852a1d3bc89bff1411ebe3.zip | |
arm64: export tishift functions to modules
Otherwise modules that use these arithmetic operations will fail to
link. We accomplish this with the usual EXPORT_SYMBOL, which on most
architectures goes in the .S file but the ARM64 maintainers prefer that
insead it goes into arm64ksyms.
While we're at it, we also fix this up to use SPDX, and I personally
choose to relicense this as GPL2||BSD so that these symbols don't need
to be export_symbol_gpl, so all modules can use the routines, since
these are important general purpose compiler-generated function calls.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reported-by: PaX Team <pageexec@freemail.hu>
Cc: stable@vger.kernel.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/arm64ksyms.c')
| -rw-r--r-- | arch/arm64/kernel/arm64ksyms.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c index 66be504edb6c..d894a20b70b2 100644 --- a/arch/arm64/kernel/arm64ksyms.c +++ b/arch/arm64/kernel/arm64ksyms.c @@ -75,3 +75,11 @@ NOKPROBE_SYMBOL(_mcount); /* arm-smccc */ EXPORT_SYMBOL(__arm_smccc_smc); EXPORT_SYMBOL(__arm_smccc_hvc); + + /* tishift.S */ +extern long long __ashlti3(long long a, int b); +EXPORT_SYMBOL(__ashlti3); +extern long long __ashrti3(long long a, int b); +EXPORT_SYMBOL(__ashrti3); +extern long long __lshrti3(long long a, int b); +EXPORT_SYMBOL(__lshrti3); |