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Docs: MSI-HOWTO: Use the subjunctive, and change `can' to `may' 

Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
This commit is contained in:
Michael Witten 2011-07-14 17:53:54 +00:00
parent 55f9c40ff6
commit 891f692533
1 changed files with 1 additions and 1 deletions
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Documentation/PCI/MSI-HOWTO.txt
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@ -45,7 +45,7 @@ arrived in memory (this becomes more likely with devices behind PCI-PCI
bridges). In order to ensure that all the data has arrived in memory,
the interrupt handler must read a register on the device which raised
the interrupt. PCI transaction ordering rules require that all the data
arrives in memory before the value can be returned from the register.
arrive in memory before the value may be returned from the register.
Using MSIs avoids this problem as the interrupt-generating write cannot
pass the data writes, so by the time the interrupt is raised, the driver
knows that all the data has arrived in memory.