From: Haren Myneni Date: Thu, 16 Apr 2020 06:07:36 +0000 (-0700) Subject: powerpc/vas: Free send window in VAS instance after credits returned X-Git-Tag: v5.8-rc1~132^2~212^2~1 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1d955f981895464d8f112179a20bfdb92e6c63d4;p=linux.git powerpc/vas: Free send window in VAS instance after credits returned NX may be processing requests while trying to close window. Wait until all credits are returned and then free send window from VAS instance. Signed-off-by: Haren Myneni Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/1587017256.2275.1076.camel@hbabu-laptop --- diff --git a/arch/powerpc/platforms/powernv/vas-window.c b/arch/powerpc/platforms/powernv/vas-window.c index d0c07cf03f68..e15b40596746 100644 --- a/arch/powerpc/platforms/powernv/vas-window.c +++ b/arch/powerpc/platforms/powernv/vas-window.c @@ -1316,14 +1316,14 @@ int vas_win_close(struct vas_window *window) unmap_paste_region(window); - clear_vinst_win(window); - poll_window_busy_state(window); unpin_close_window(window); poll_window_credits(window); + clear_vinst_win(window); + poll_window_castout(window); /* if send window, drop reference to matching receive window */