search for: km_type

Displaying 20 results from an estimated 50 matches for "km_type".

2007 Apr 18
0
[PATCH 5/10] Paravirt kmap_atomic_pte tidy.patch
...el/paravirt.c Fri Apr 06 14:43:30 2007 -0700 +++ b/arch/i386/kernel/paravirt.c Fri Apr 06 14:43:37 2007 -0700 @@ -217,13 +217,6 @@ static void native_flush_tlb_single(unsi { __native_flush_tlb_single(addr); } - -#ifndef CONFIG_HIGHPTE -static void *native_kmap_atomic_pte(struct page *page, enum km_type type) -{ - return kmap_atomic(page, type); -} -#endif /* These are in entry.S */ extern void native_iret(void); @@ -324,7 +317,9 @@ struct paravirt_ops paravirt_ops = { .ptep_get_and_clear = native_ptep_get_and_clear, - .kmap_atomic_pte = native_kmap_atomic_pte, +#ifdef CONFIG_HIGHPTE + ....
2007 Apr 18
0
[PATCH 5/10] Paravirt kmap_atomic_pte tidy.patch
...el/paravirt.c Fri Apr 06 14:43:30 2007 -0700 +++ b/arch/i386/kernel/paravirt.c Fri Apr 06 14:43:37 2007 -0700 @@ -217,13 +217,6 @@ static void native_flush_tlb_single(unsi { __native_flush_tlb_single(addr); } - -#ifndef CONFIG_HIGHPTE -static void *native_kmap_atomic_pte(struct page *page, enum km_type type) -{ - return kmap_atomic(page, type); -} -#endif /* These are in entry.S */ extern void native_iret(void); @@ -324,7 +317,9 @@ struct paravirt_ops paravirt_ops = { .ptep_get_and_clear = native_ptep_get_and_clear, - .kmap_atomic_pte = native_kmap_atomic_pte, +#ifdef CONFIG_HIGHPTE + ....
2007 Jul 06
2
[PATCH] I386: Deactivate the test for the dead CONFIG_DEBUG_PAGE_TYPE variable.
...eck_page_type(u32 pfn, int type) > #else > #define vmi_set_page_type(p,t) do { } while (0) > #define vmi_check_page_type(p,t) do { } while (0) > -#endif > +#endif /* debug page type */ > > #ifdef CONFIG_HIGHPTE > static void *vmi_kmap_atomic_pte(struct page *page, enum km_type type) This misnamed CONFIG_DEBUG_PAGE_TYPE (it's not a Kconfig variable) has about 120 lines debug code dangling on it. So, replacing it by #if 0 will hopefully motivate a kind janitor to send a removal patch for that debug code eventually. I don't do so just now because that code went i...
2007 Jul 06
2
[PATCH] I386: Deactivate the test for the dead CONFIG_DEBUG_PAGE_TYPE variable.
...eck_page_type(u32 pfn, int type) > #else > #define vmi_set_page_type(p,t) do { } while (0) > #define vmi_check_page_type(p,t) do { } while (0) > -#endif > +#endif /* debug page type */ > > #ifdef CONFIG_HIGHPTE > static void *vmi_kmap_atomic_pte(struct page *page, enum km_type type) This misnamed CONFIG_DEBUG_PAGE_TYPE (it's not a Kconfig variable) has about 120 lines debug code dangling on it. So, replacing it by #if 0 will hopefully motivate a kind janitor to send a removal patch for that debug code eventually. I don't do so just now because that code went i...
2020 Nov 03
0
[patch V3 04/37] sh/highmem: Remove all traces of unused cruft
...he compile-time 'special' virtual @@ -53,11 +50,6 @@ enum fixed_addresses { FIX_CMAP_BEGIN, FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS) - 1, -#ifdef CONFIG_HIGHMEM - FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ - FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1, -#endif - #ifdef CONFIG_IOREMAP_FIXED /* * FIX_IOREMAP entries are useful for mapping physical address --- a/arch/sh/include/asm/kmap_types.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __SH_KMAP_TYPES_H -#define __SH_KMAP_TYPES_H - -/* D...
2007 Apr 18
0
[PATCH 5/9] 00mm6 kpte flush.patch
...es of mappings exist for the same page. Signed-off-by: Zachary Amsden <zach@vmware.com> =================================================================== --- a/arch/i386/mm/highmem.c +++ b/arch/i386/mm/highmem.c @@ -44,22 +44,19 @@ void *kmap_atomic(struct page *page, enu idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); -#ifdef CONFIG_DEBUG_HIGHMEM if (!pte_none(*(kmap_pte-idx))) BUG(); -#endif set_pte(kmap_pte-idx, mk_pte(page, kmap_prot)); - __flush_tlb_one(vaddr); return (void*) vaddr; } void kunmap_atomic(void *kvaddr, enum km...
2007 Apr 18
0
[PATCH 8/10] Vmi kmap_atomic_pte fix.patch
...delays and unimplemented calls */ @@ -345,8 +346,11 @@ static void vmi_check_page_type(u32 pfn, #define vmi_check_page_type(p,t) do { } while (0) #endif -static void vmi_map_pt_hook(int type, pte_t *va, u32 pfn) -{ +#ifdef CONFIG_HIGHPTE +static void *vmi_kmap_atomic_pte(struct page *page, enum km_type type) +{ + void *va = kmap_atomic(page, type); + /* * Internally, the VMI ROM must map virtual addresses to physical * addresses for processing MMU updates. By the time MMU updates @@ -360,8 +364,11 @@ static void vmi_map_pt_hook(int type, pt * args: SLOT...
2007 Apr 18
0
[PATCH 8/10] Vmi kmap_atomic_pte fix.patch
...delays and unimplemented calls */ @@ -345,8 +346,11 @@ static void vmi_check_page_type(u32 pfn, #define vmi_check_page_type(p,t) do { } while (0) #endif -static void vmi_map_pt_hook(int type, pte_t *va, u32 pfn) -{ +#ifdef CONFIG_HIGHPTE +static void *vmi_kmap_atomic_pte(struct page *page, enum km_type type) +{ + void *va = kmap_atomic(page, type); + /* * Internally, the VMI ROM must map virtual addresses to physical * addresses for processing MMU updates. By the time MMU updates @@ -360,8 +364,11 @@ static void vmi_map_pt_hook(int type, pt * args: SLOT...
2020 Nov 03
0
[patch V3 18/37] highmem: Get rid of kmap_types.h
...11 ----------- include/linux/highmem.h | 2 -- 10 files changed, 71 deletions(-) --- a/arch/alpha/include/asm/kmap_types.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_KMAP_TYPES_H -#define _ASM_KMAP_TYPES_H - -/* Dummy header just to define km_type. */ - -#ifdef CONFIG_DEBUG_HIGHMEM -#define __WITH_KM_FENCE -#endif - -#include <asm-generic/kmap_types.h> - -#undef __WITH_KM_FENCE - -#endif --- a/arch/ia64/include/asm/kmap_types.h +++ /dev/null @@ -1,13 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_IA64_KMAP_TYPES_H -#def...
2007 Apr 18
2
[PATCH 1/4] Pte drop ptep_get_and_clear paravirt op.patch
...ravirt_ops void (*pte_update)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); void (*pte_update_defer)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); - - pte_t (*ptep_get_and_clear)(pte_t *ptep); #ifdef CONFIG_HIGHPTE void *(*kmap_atomic_pte)(struct page *page, enum km_type type); @@ -859,12 +857,8 @@ static inline void pmd_clear(pmd_t *pmdp PVOP_VCALL1(pmd_clear, pmdp); } -static inline pte_t raw_ptep_get_and_clear(pte_t *p) -{ - unsigned long long val = PVOP_CALL1(unsigned long long, ptep_get_and_clear, p); - return (pte_t) { val, val >> 32 }; -} #else...
2007 Apr 18
2
[PATCH 1/4] Pte drop ptep_get_and_clear paravirt op.patch
...ravirt_ops void (*pte_update)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); void (*pte_update_defer)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); - - pte_t (*ptep_get_and_clear)(pte_t *ptep); #ifdef CONFIG_HIGHPTE void *(*kmap_atomic_pte)(struct page *page, enum km_type type); @@ -859,12 +857,8 @@ static inline void pmd_clear(pmd_t *pmdp PVOP_VCALL1(pmd_clear, pmdp); } -static inline pte_t raw_ptep_get_and_clear(pte_t *p) -{ - unsigned long long val = PVOP_CALL1(unsigned long long, ptep_get_and_clear, p); - return (pte_t) { val, val >> 32 }; -} #else...
2007 Apr 18
17
[patch 00/17] paravirt_ops updates
Hi Andi, This series of patches updates paravirt_ops in various ways. Some of the changes are plain cleanups and improvements, and some add some interfaces necessary for Xen. The brief overview: add-MAINTAINERS.patch - obvious remove-CONFIG_DEBUG_PARAVIRT.patch - no longer needed paravirt-nop.patch - mark nop operations consistently paravirt-pte-accessors.patch - operations to pack/unpack
2007 Apr 18
17
[patch 00/17] paravirt_ops updates
Hi Andi, This series of patches updates paravirt_ops in various ways. Some of the changes are plain cleanups and improvements, and some add some interfaces necessary for Xen. The brief overview: add-MAINTAINERS.patch - obvious remove-CONFIG_DEBUG_PARAVIRT.patch - no longer needed paravirt-nop.patch - mark nop operations consistently paravirt-pte-accessors.patch - operations to pack/unpack
2007 Apr 18
23
[patch 00/20] paravirt_ops updates
Hi Andi, Here's a repost of the paravirt_ops update series I posted the other day. Since then, I found a few potential bugs with patching clobbering, cleaned up and documented paravirt.h and the patching machinery. Overview: add-MAINTAINERS.patch obvious remove-CONFIG_DEBUG_PARAVIRT.patch No longer meaningful or needed. paravirt-nop.patch Clean up nop paravirt_ops functions, mainly to
2007 Apr 18
23
[patch 00/20] paravirt_ops updates
Hi Andi, Here's a repost of the paravirt_ops update series I posted the other day. Since then, I found a few potential bugs with patching clobbering, cleaned up and documented paravirt.h and the patching machinery. Overview: add-MAINTAINERS.patch obvious remove-CONFIG_DEBUG_PARAVIRT.patch No longer meaningful or needed. paravirt-nop.patch Clean up nop paravirt_ops functions, mainly to
2007 Oct 09
0
[PATCH RFC REPOST 2/2] paravirt: clean up lazy mode handling
...pv_cpu_ops { /* These two are jmp to, not actually called. */ void (*irq_enable_sysexit)(void); void (*iret)(void); + + struct pv_lazy_ops lazy_mode; }; struct pv_irq_ops { @@ -244,13 +238,14 @@ struct pv_mmu_ops { #ifdef CONFIG_HIGHPTE void *(*kmap_atomic_pte)(struct page *page, enum km_type type); #endif + + struct pv_lazy_ops lazy_mode; }; struct paravirt_ops { struct pv_info pv_info; struct pv_init_ops pv_init_ops; - struct pv_misc_ops pv_misc_ops; struct pv_time_ops pv_time_ops; struct pv_cpu_ops pv_cpu_ops; struct pv_irq_ops pv_irq_ops; @@ -260,7 +255,6 @@ struct p...
2007 Oct 09
0
[PATCH RFC REPOST 2/2] paravirt: clean up lazy mode handling
...pv_cpu_ops { /* These two are jmp to, not actually called. */ void (*irq_enable_sysexit)(void); void (*iret)(void); + + struct pv_lazy_ops lazy_mode; }; struct pv_irq_ops { @@ -244,13 +238,14 @@ struct pv_mmu_ops { #ifdef CONFIG_HIGHPTE void *(*kmap_atomic_pte)(struct page *page, enum km_type type); #endif + + struct pv_lazy_ops lazy_mode; }; struct paravirt_ops { struct pv_info pv_info; struct pv_init_ops pv_init_ops; - struct pv_misc_ops pv_misc_ops; struct pv_time_ops pv_time_ops; struct pv_cpu_ops pv_cpu_ops; struct pv_irq_ops pv_irq_ops; @@ -260,7 +255,6 @@ struct p...
2007 Apr 18
31
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
Hi Andi, This is a set of updates for the firstfloor patch queue. Quick rundown: revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch separate-module-percpu-space.patch Update the module percpu accounting patch fix-ff-allow-percpu-variables-to-be-page-aligned.patch Make sure the percpu memory allocation is page-aligned
2007 Apr 18
31
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
Hi Andi, This is a set of updates for the firstfloor patch queue. Quick rundown: revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch separate-module-percpu-space.patch Update the module percpu accounting patch fix-ff-allow-percpu-variables-to-be-page-aligned.patch Make sure the percpu memory allocation is page-aligned
2007 Oct 09
2
[PATCH RFC REPOST 1/2] paravirt: refactor struct paravirt_ops into smaller pv_*_ops
...exit_mmap)(struct mm_struct *mm); + /* TLB operations */ void (*flush_tlb_user)(void); @@ -191,15 +218,12 @@ struct paravirt_ops void (*pte_update_defer)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -#ifdef CONFIG_HIGHPTE - void *(*kmap_atomic_pte)(struct page *page, enum km_type type); -#endif - #ifdef CONFIG_X86_PAE void (*set_pte_atomic)(pte_t *ptep, pte_t pteval); - void (*set_pte_present)(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); + void (*set_pte_present)(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte); void (*set_p...