Displaying 7 results from an estimated 7 matches for "kmmio_context".
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mmio_context
2020 Feb 05
0
[PATCH] x86/mm/kmmio: Use this_cpu_ptr() instead get_cpu_var() for kmmio_ctx
...ndled */
-no_kmmio_ctx:
- put_cpu_var(kmmio_ctx);
no_kmmio:
rcu_read_unlock();
preempt_enable_no_resched();
@@ -333,7 +330,7 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
static int post_kmmio_handler(unsigned long condition, struct pt_regs *regs)
{
int ret = 0;
- struct kmmio_context *ctx = &get_cpu_var(kmmio_ctx);
+ struct kmmio_context *ctx = this_cpu_ptr(&kmmio_ctx);
if (!ctx->active) {
/*
@@ -371,7 +368,6 @@ static int post_kmmio_handler(unsigned long condition, struct pt_regs *regs)
if (!(regs->flags & X86_EFLAGS_TF))
ret = 1;
out:
- put_cpu_...
2016 Mar 03
1
RFC: [PATCH] x86/kmmio: fix mmiotrace for hugepages
...false);
WARN_ONCE(ret < 0,
- KERN_ERR "kmmio disarming 0x%08lx failed.\n", f->page);
+ KERN_ERR "kmmio disarming at 0x%08lx failed.\n", f->addr);
f->armed = false;
}
@@ -215,6 +226,12 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
struct kmmio_context *ctx;
struct kmmio_fault_page *faultpage;
int ret = 0; /* default to fault not handled */
+ unsigned long page_base = addr;
+ unsigned int l;
+ pte_t *pte = lookup_address(addr, &l);
+ if (!pte)
+ return -EINVAL;
+ page_base &= page_level_mask(l);
/*
* Preemption is now disabled...
2016 Feb 09
0
mmiotrace fix
...}
@@ -191,7 +227,7 @@
{
int ret = clear_page_presence(f, false);
WARN_ONCE(ret < 0,
- KERN_ERR "kmmio disarming 0x%08lx failed.\n", f->page);
+ KERN_ERR "kmmio disarming at 0x%08lx failed.\n", f->addr);
f->armed = false;
}
@@ -215,6 +251,25 @@
struct kmmio_context *ctx;
struct kmmio_fault_page *faultpage;
int ret = 0; /* default to fault not handled */
+ unsigned long page_base = addr;
+ unsigned int l;
+ pte_t *pte = lookup_address(addr, &l);
+ if (!pte)
+ return -EINVAL;
+
+ switch (l) {
+ case PG_LEVEL_4K:
+ page_base &= (~(u64)(0x0)) <&l...
2016 May 03
0
[PATCH 4.5 160/200] x86/mm/kmmio: Fix mmiotrace for hugepages
...ear_page_presence(f, false);
WARN_ONCE(ret < 0,
- KERN_ERR "kmmio disarming 0x%08lx failed.\n", f->page);
+ KERN_ERR "kmmio disarming at 0x%08lx failed.\n", f->addr);
f->armed = false;
}
@@ -215,6 +226,12 @@ int kmmio_handler(struct pt_regs *regs,
struct kmmio_context *ctx;
struct kmmio_fault_page *faultpage;
int ret = 0; /* default to fault not handled */
+ unsigned long page_base = addr;
+ unsigned int l;
+ pte_t *pte = lookup_address(addr, &l);
+ if (!pte)
+ return -EINVAL;
+ page_base &= page_level_mask(l);
/*
* Preemption is now disabled...
2016 May 03
0
[PATCH 4.4 137/163] x86/mm/kmmio: Fix mmiotrace for hugepages
...ear_page_presence(f, false);
WARN_ONCE(ret < 0,
- KERN_ERR "kmmio disarming 0x%08lx failed.\n", f->page);
+ KERN_ERR "kmmio disarming at 0x%08lx failed.\n", f->addr);
f->armed = false;
}
@@ -215,6 +226,12 @@ int kmmio_handler(struct pt_regs *regs,
struct kmmio_context *ctx;
struct kmmio_fault_page *faultpage;
int ret = 0; /* default to fault not handled */
+ unsigned long page_base = addr;
+ unsigned int l;
+ pte_t *pte = lookup_address(addr, &l);
+ if (!pte)
+ return -EINVAL;
+ page_base &= page_level_mask(l);
/*
* Preemption is now disabled...
2016 Jul 12
0
[added to the 4.1 stable tree] x86/mm/kmmio: Fix mmiotrace for hugepages
...false);
WARN_ONCE(ret < 0,
- KERN_ERR "kmmio disarming 0x%08lx failed.\n", f->page);
+ KERN_ERR "kmmio disarming at 0x%08lx failed.\n", f->addr);
f->armed = false;
}
@@ -215,6 +226,12 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
struct kmmio_context *ctx;
struct kmmio_fault_page *faultpage;
int ret = 0; /* default to fault not handled */
+ unsigned long page_base = addr;
+ unsigned int l;
+ pte_t *pte = lookup_address(addr, &l);
+ if (!pte)
+ return -EINVAL;
+ page_base &= page_level_mask(l);
/*
* Preemption is now disabled...
2016 Jul 12
0
[added to the 3.18 stable tree] x86/mm/kmmio: Fix mmiotrace for hugepages
...false);
WARN_ONCE(ret < 0,
- KERN_ERR "kmmio disarming 0x%08lx failed.\n", f->page);
+ KERN_ERR "kmmio disarming at 0x%08lx failed.\n", f->addr);
f->armed = false;
}
@@ -215,6 +226,12 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
struct kmmio_context *ctx;
struct kmmio_fault_page *faultpage;
int ret = 0; /* default to fault not handled */
+ unsigned long page_base = addr;
+ unsigned int l;
+ pte_t *pte = lookup_address(addr, &l);
+ if (!pte)
+ return -EINVAL;
+ page_base &= page_level_mask(l);
/*
* Preemption is now disabled...