riscv: compat: Using seperated vdso_maps for compat_vdso_info
This is a fixup for vdso implementation which caused musl to
fail.
[ 11.600082] Run /sbin/init as init process
[ 11.628561] init[1]: unhandled signal 11 code 0x1 at
0x0000000000000000 in libc.so[
ffffff8ad39000+a4000]
[ 11.629398] CPU: 0 PID: 1 Comm: init Not tainted
5.18.0-rc7-next-
20220520 #1
[ 11.629462] Hardware name: riscv-virtio,qemu (DT)
[ 11.629546] epc :
00ffffff8ada1100 ra :
00ffffff8ada13c8 sp :
00ffffffc58199f0
[ 11.629586] gp :
00ffffff8ad39000 tp :
00ffffff8ade0998 t0 :
ffffffffffffffff
[ 11.629598] t1 :
00ffffffc5819fd0 t2 :
0000000000000000 s0 :
00ffffff8ade0cc0
[ 11.629610] s1 :
00ffffff8ade0cc0 a0 :
0000000000000000 a1 :
00ffffffc5819a00
[ 11.629622] a2 :
0000000000000001 a3 :
000000000000001e a4 :
00ffffffc5819b00
[ 11.629634] a5 :
00ffffffc5819b00 a6 :
0000000000000000 a7 :
0000000000000000
[ 11.629645] s2 :
00ffffff8ade0ac8 s3 :
00ffffff8ade0ec8 s4 :
00ffffff8ade0728
[ 11.629656] s5 :
00ffffff8ade0a90 s6 :
0000000000000000 s7 :
00ffffffc5819e40
[ 11.629667] s8 :
00ffffff8ade0ca0 s9 :
00ffffff8addba50 s10:
0000000000000000
[ 11.629678] s11:
0000000000000000 t3 :
0000000000000002 t4 :
0000000000000001
[ 11.629688] t5 :
0000000000020000 t6 :
ffffffffffffffff
[ 11.629699] status:
0000000000004020 badaddr:
0000000000000000
cause:
000000000000000d
The last __vdso_init(&compat_vdso_info) replaces the data in normal
vdso_info. This is an obvious bug.
Reported-by: Guenter Roeck <[email protected]>
Signed-off-by: Guo Ren <[email protected]>
Signed-off-by: Guo Ren <[email protected]>
Tested-by: Heiko Stuebner <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Fixes: 3092eb456375 ("riscv: compat: vdso: Add setup additional pages implementation")
Signed-off-by: Palmer Dabbelt <[email protected]>