From: Haren Myneni <haren@linux.vnet.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org,
mpe@ellerman.id.au, npiggin@gmail.com, mikey@neuling.org,
herbert@gondor.apana.org.au
Cc: sukadev@linux.vnet.ibm.com
Subject: [PATCH 14/14] powerpc/vas: Free send window in VAS instance after credits returned
Date: Tue, 26 Nov 2019 17:15:29 -0800 [thread overview]
Message-ID: <1574817329.13250.22.camel@hbabu-laptop> (raw)
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 <haren@us.ibm.com>
---
arch/powerpc/platforms/powernv/vas-window.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/vas-window.c b/arch/powerpc/platforms/powernv/vas-window.c
index 9ba354c..244952d7 100644
--- a/arch/powerpc/platforms/powernv/vas-window.c
+++ b/arch/powerpc/platforms/powernv/vas-window.c
@@ -1319,14 +1319,14 @@ 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 */
--
1.8.3.1
reply other threads:[~2019-11-27 1:35 UTC|newest]
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