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| /freebsd-10-stable/sys/ia64/pci/ | ||
| H A D | pci_cfgreg.c | diff 205432 Mon Mar 22 01:17:16 MDT 2010 marcel Disable interrupts when calling into SAL for PCI configuration cycles. This serves 2 purposes: 1. It prevents preemption and CPU migration while running SAL code. 2. It reduces the chance of stack overflows: we're supposed to enter SAL with at least 16KB of either memory- or register stack space, which we can't do without switching to a different stack. |
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