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x86/resctrl: Remove unused struct mbm_state::chunks_bw
commit abe8f12b44
upstream
Nothing reads struct mbm_states's chunks_bw value, its a copy of
chunks. Remove it.
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lkml.kernel.org/r/20200708163929.2783-2-james.morse@arm.com
[sudip: adjust context]
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
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2 changed files with 1 additions and 4 deletions
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@ -276,7 +276,6 @@ struct rftype {
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* struct mbm_state - status for each MBM counter in each domain
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* @chunks: Total data moved (multiply by rdt_group.mon_scale to get bytes)
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* @prev_msr Value of IA32_QM_CTR for this RMID last time we read it
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* @chunks_bw Total local data moved. Used for bandwidth calculation
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* @prev_bw_msr:Value of previous IA32_QM_CTR for bandwidth counting
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* @prev_bw The most recent bandwidth in MBps
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* @delta_bw Difference between the current and previous bandwidth
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@ -285,7 +284,6 @@ struct rftype {
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struct mbm_state {
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u64 chunks;
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u64 prev_msr;
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u64 chunks_bw;
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u64 prev_bw_msr;
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u32 prev_bw;
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u32 delta_bw;
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@ -280,8 +280,7 @@ static void mbm_bw_count(u32 rmid, struct rmid_read *rr)
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return;
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chunks = mbm_overflow_count(m->prev_bw_msr, tval);
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m->chunks_bw += chunks;
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m->chunks = m->chunks_bw;
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m->chunks += chunks;
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cur_bw = (chunks * r->mon_scale) >> 20;
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if (m->delta_comp)
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