diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2017-04-28 18:40:00 +0200 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2017-12-10 08:55:56 +0100 |
| commit | 7bf5234db7cce45fa9ff237ce0f45da2bd277cad (patch) | |
| tree | 2b376172285d3d145e3c5ace2ed2307da276dae9 /arch/xtensa/kernel | |
| parent | Linux 4.14 (diff) | |
| download | linux-7bf5234db7cce45fa9ff237ce0f45da2bd277cad.tar.xz linux-7bf5234db7cce45fa9ff237ce0f45da2bd277cad.zip | |
xtensa: add -mno-serialize-volatile to CFLAGS
By default xtensa gcc inserts memw for all volatile object accesses.
This is too pessimistic for the kernel: there should be no "normal"
volatile objects, and all special objects, like MMIO or objects shared
between CPUs should have explicit barriers.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel')
0 files changed, 0 insertions, 0 deletions