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ia64: remove support for machvecs

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The only thing remaining of the machvecs is a few checks if we are
running on an SGI UV system.  Replace those with the existing
is_uv_system() check that has been rewritten to simply check the
OEM ID directly.

That leaves us with a generic kernel that is as fast as the previous
DIG/ZX1/UV kernels, but can support all hardware.  Support for UV
and the HP SBA IOMMU is now optional based on new config options.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-27-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Christoph Hellwig
2019-08-13 09:25:12 +02:00
committed by Tony Luck
parent a8384e6ce5
commit df41017eaf
50 changed files with 116 additions and 488 deletions
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23
arch/ia64/include/asm/uv/uv.h
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@@ -2,10 +2,29 @@
#ifndef _ASM_IA64_UV_UV_H
#define _ASM_IA64_UV_UV_H
#ifdef CONFIG_IA64_SGI_UV
extern bool ia64_is_uv;
static inline int is_uv_system(void)
{
/* temporary support for running on hardware simulator */
return ia64_platform_is("uv");
return ia64_is_uv;
}
void __init uv_probe_system_type(void);
void __init uv_setup(char **cmdline_p);
#else /* CONFIG_IA64_SGI_UV */
static inline int is_uv_system(void)
{
return false;
}
static inline void __init uv_probe_system_type(void)
{
}
static inline void __init uv_setup(char **cmdline_p)
{
}
#endif /* CONFIG_IA64_SGI_UV */
#endif /* _ASM_IA64_UV_UV_H */