diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/PCI/MSI-HOWTO.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt index c9cffaf16f82..257628fdd464 100644 --- a/Documentation/PCI/MSI-HOWTO.txt +++ b/Documentation/PCI/MSI-HOWTO.txt | |||
@@ -250,7 +250,7 @@ the MSI-X facilities in preference to the MSI facilities. As mentioned | |||
250 | above, MSI-X supports any number of interrupts between 1 and 2048. | 250 | above, MSI-X supports any number of interrupts between 1 and 2048. |
251 | In constrast, MSI is restricted to a maximum of 32 interrupts (and | 251 | In constrast, MSI is restricted to a maximum of 32 interrupts (and |
252 | must be a power of two). In addition, the MSI interrupt vectors must | 252 | must be a power of two). In addition, the MSI interrupt vectors must |
253 | be allocated consecutively, so the system may not be able to allocate | 253 | be allocated consecutively, so the system might not be able to allocate |
254 | as many vectors for MSI as it could for MSI-X. On some platforms, MSI | 254 | as many vectors for MSI as it could for MSI-X. On some platforms, MSI |
255 | interrupts must all be targeted at the same set of CPUs whereas MSI-X | 255 | interrupts must all be targeted at the same set of CPUs whereas MSI-X |
256 | interrupts can all be targeted at different CPUs. | 256 | interrupts can all be targeted at different CPUs. |