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authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-03-01 16:29:56 +0100
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-03-10 15:18:40 +0100
commita1515ec7204edca770c07929df8538fcdb03ad46 (patch)
tree4c7c85bc8c7ba2776324551c381db97ed34276f5 /arch/mips/include
parent87aaf2523cad65faeabd8564b6b39f9431f32879 (diff)
MIPS: Remove KVM_GUEST support
KVM_GUEST is broken and unmaintained, so let's remove it. Reviewed-by: Huacai Chen <chenhuacai@kernel.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/mach-generic/spaces.h12
-rw-r--r--arch/mips/include/asm/processor.h5
-rw-r--r--arch/mips/include/asm/uaccess.h9
3 files changed, 0 insertions, 26 deletions
diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h
index c3ac06a6acd2..b247575c5e69 100644
--- a/arch/mips/include/asm/mach-generic/spaces.h
+++ b/arch/mips/include/asm/mach-generic/spaces.h
@@ -30,11 +30,7 @@
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_32BIT
-#ifdef CONFIG_KVM_GUEST
-#define CAC_BASE _AC(0x40000000, UL)
-#else
#define CAC_BASE _AC(0x80000000, UL)
-#endif
#ifndef IO_BASE
#define IO_BASE _AC(0xa0000000, UL)
#endif
@@ -43,12 +39,8 @@
#endif
#ifndef MAP_BASE
-#ifdef CONFIG_KVM_GUEST
-#define MAP_BASE _AC(0x60000000, UL)
-#else
#define MAP_BASE _AC(0xc0000000, UL)
#endif
-#endif
/*
* Memory above this physical address will be considered highmem.
@@ -100,11 +92,7 @@
#endif
#ifndef FIXADDR_TOP
-#ifdef CONFIG_KVM_GUEST
-#define FIXADDR_TOP ((unsigned long)(long)(int)0x7ffe0000)
-#else
#define FIXADDR_TOP ((unsigned long)(long)(int)0xfffe0000)
#endif
-#endif
#endif /* __ASM_MACH_GENERIC_SPACES_H */
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 7834e7c0c78a..8e69e0a35ee9 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -32,16 +32,11 @@ extern unsigned int vced_count, vcei_count;
extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
#ifdef CONFIG_32BIT
-#ifdef CONFIG_KVM_GUEST
-/* User space process size is limited to 1GB in KVM Guest Mode */
-#define TASK_SIZE 0x3fff8000UL
-#else
/*
* User space process size: 2GB. This is hardcoded into a few places,
* so don't change it unless you know what you are doing.
*/
#define TASK_SIZE 0x80000000UL
-#endif
#define STACK_TOP_MAX TASK_SIZE
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 61fc01f177a6..d273a3857809 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -25,11 +25,7 @@
*/
#ifdef CONFIG_32BIT
-#ifdef CONFIG_KVM_GUEST
-#define __UA_LIMIT 0x40000000UL
-#else
#define __UA_LIMIT 0x80000000UL
-#endif
#define __UA_ADDR ".word"
#define __UA_LA "la"
@@ -61,13 +57,8 @@ extern u64 __ua_limit;
* address in this range it's the process's problem, not ours :-)
*/
-#ifdef CONFIG_KVM_GUEST
-#define KERNEL_DS ((mm_segment_t) { 0x80000000UL })
-#define USER_DS ((mm_segment_t) { 0xC0000000UL })
-#else
#define KERNEL_DS ((mm_segment_t) { 0UL })
#define USER_DS ((mm_segment_t) { __UA_LIMIT })
-#endif
#define get_fs() (current_thread_info()->addr_limit)
#define set_fs(x) (current_thread_info()->addr_limit = (x))