kernel/tools/testing/selftests/powerpc/security/uaccess_flush.c, branch linux-6.2.yHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-6.2.y2021-04-22T15:38:03Zselftests/powerpc: Add uaccess flush test2021-04-22T15:38:03ZThadeu Lima de Souza Cascardocascardo@canonical.com2021-02-25T06:19:49Zurn:sha1:da650ada100956b0f00aa4fe9ce33103378ce9ca
Also based on the RFI and entry flush tests, it counts the L1D misses
by doing a syscall that does user access: uname, in this case.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
[dja: forward port, rename function]
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210225061949.1213404-1-dja@axtens.net