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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c5419e6f05
The function is_pure_response() does "ntohl(var) & const" and then
essentially just tests whether the result is 0 or not; this can be done
more efficiently by computing "var & htonl(const)" instead and doing the
byte swap at compile time instead of run time.
This change slightly shrinks the compiled code; eg on x86-64 we save a
couple of bswapl instructions:
add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-8 (-8)
function old new delta
t3_sge_intr_msix_napi 544 536 -8
and this also has the pleasant side effect of fixing a sparse warning:
drivers/net/cxgb3/sge.c:2313:15: warning: restricted degrades to integer
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|---|---|---|
| .. | ||
| adapter.h | ||
| ael1002.c | ||
| common.h | ||
| cxgb3_ctl_defs.h | ||
| cxgb3_defs.h | ||
| cxgb3_ioctl.h | ||
| cxgb3_main.c | ||
| cxgb3_offload.c | ||
| cxgb3_offload.h | ||
| firmware_exports.h | ||
| l2t.c | ||
| l2t.h | ||
| Makefile | ||
| mc5.c | ||
| regs.h | ||
| sge_defs.h | ||
| sge.c | ||
| t3_cpl.h | ||
| t3_hw.c | ||
| t3cdev.h | ||
| version.h | ||
| vsc8211.c | ||
| xgmac.c | ||