Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1580997
| From | Andrew Banman <abanman@hpe.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 5/6] x86/platform/uv/BAU: Remove initial write to swack register |
| Date | 2017-02-15 03:10 +0100 |
| Message-ID | <taXcB-1x8-1@gated-at.bofh.it> (permalink) |
| References | <taX2V-1eA-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Writing to the software acknowledge clear register when there are no pending messages causes a HUB error to assert. The original intent of this write was to clear the pending bits before start of operation, but this is an incorrect method and has been determined to be unnecessary. Signed-off-by: Andrew Banman <abanman@hpe.com> Acked-by: Mike Travis <mike.travis@hpe.com> --- arch/x86/platform/uv/tlb_uv.c | 1 - 1 file changed, 1 deletion(-) Index: community/arch/x86/platform/uv/tlb_uv.c =================================================================== --- community.orig/arch/x86/platform/uv/tlb_uv.c +++ community/arch/x86/platform/uv/tlb_uv.c @@ -1924,7 +1924,6 @@ static void pq_init(int node, int pnode) ops.write_payload_first(pnode, first); ops.write_payload_last(pnode, last); - ops.write_g_sw_ack(pnode, 0xffffUL); /* in effect, all msg_type's are set to MSG_NOOP */ memset(pqp, 0, sizeof(struct bau_pq_entry) * DEST_Q_SIZE);
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 0/6] x86/platform/uv/BAU: UV4 message completion and initialization updates Andrew Banman <abanman@hpe.com> - 2017-02-15 03:00 +0100
[PATCH 2/6] x86/platform/uv/BAU: Add status_mmr_loc to locate message status bits Andrew Banman <abanman@hpe.com> - 2017-02-15 03:00 +0100
Re: [PATCH 2/6] x86/platform/uv/BAU: Add status_mmr_loc to locate message status bits Thomas Gleixner <tglx@linutronix.de> - 2017-02-16 19:10 +0100
[PATCH 5/6] x86/platform/uv/BAU: Remove initial write to swack register Andrew Banman <abanman@hpe.com> - 2017-02-15 03:10 +0100
Re: [PATCH 5/6] x86/platform/uv/BAU: Remove initial write to swack register Thomas Gleixner <tglx@linutronix.de> - 2017-02-16 19:30 +0100
[PATCH 1/6] x86/platform/uv/BAU: Declare bau_operations struct after other BAU structs Andrew Banman <abanman@hpe.com> - 2017-02-15 03:10 +0100
Re: [PATCH 1/6] x86/platform/uv/BAU: Declare bau_operations struct after other BAU structs Thomas Gleixner <tglx@linutronix.de> - 2017-02-16 19:10 +0100
csiph-web