GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 07:12:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

x86, io_apic: Introduce x86_io_apic_ops.disable()

Browse source 
This function pointer is used to call a system-specific
function for disabling the IO-APIC. Currently this is used
for IRQ remapping which has its own disable routine.

Also introduce the necessary infrastructure in the interrupt
remapping code to overwrite this and other function pointers
as necessary by interrupt remapping.

Signed-off-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Joerg Roedel 2012-09-26 12:44:35 +02:00
parent 336224ba5e
commit 1c4248ca4e
5 changed files with 62 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

2
arch/x86/include/asm/io_apic.h
View file

@ -179,6 +179,7 @@ extern void __init native_io_apic_init_mappings(void);
extern unsigned int native_io_apic_read(unsigned int apic, unsigned int reg);
extern void native_io_apic_write(unsigned int apic, unsigned int reg, unsigned int val);
extern void native_io_apic_modify(unsigned int apic, unsigned int reg, unsigned int val);
extern void native_disable_io_apic(void);
static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
{
@ -223,6 +224,7 @@ static inline void disable_ioapic_support(void) { }
#define native_io_apic_read NULL
#define native_io_apic_write NULL
#define native_io_apic_modify NULL
#define native_disable_io_apic NULL
#endif
#endif /* _ASM_X86_IO_APIC_H */