On 8/10/18 3:46 AM, Vlastimil Babka wrote:
On 08/10/2018 01:36 AM, Yang Shi wrote:
Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
have uprobes set, need get done with write mmap_sem held since
they may update vm_flags.
So, it might be not safe enough to deal with these kind
On 8/10/18 3:46 AM, Vlastimil Babka wrote:
On 08/10/2018 01:36 AM, Yang Shi wrote:
Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
have uprobes set, need get done with write mmap_sem held since
they may update vm_flags.
So, it might be not safe enough to deal with these kind
On 8/10/18 2:51 AM, Vlastimil Babka wrote:
On 08/10/2018 01:36 AM, Yang Shi wrote:
Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
have uprobes set, need get done with write mmap_sem held since
they may update vm_flags.
So, it might be not safe enough to deal with these kind
On 8/10/18 2:51 AM, Vlastimil Babka wrote:
On 08/10/2018 01:36 AM, Yang Shi wrote:
Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
have uprobes set, need get done with write mmap_sem held since
they may update vm_flags.
So, it might be not safe enough to deal with these kind
On Fri 10-08-18 11:51:54, Vlastimil Babka wrote:
> On 08/10/2018 01:36 AM, Yang Shi wrote:
> > Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
> > have uprobes set, need get done with write mmap_sem held since
> > they may update vm_flags.
> >
> > So, it might be not safe enough to
On Fri 10-08-18 11:51:54, Vlastimil Babka wrote:
> On 08/10/2018 01:36 AM, Yang Shi wrote:
> > Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
> > have uprobes set, need get done with write mmap_sem held since
> > they may update vm_flags.
> >
> > So, it might be not safe enough to
On 08/10/2018 01:36 AM, Yang Shi wrote:
> Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
> have uprobes set, need get done with write mmap_sem held since
> they may update vm_flags.
>
> So, it might be not safe enough to deal with these kind of special
> mappings with read
On 08/10/2018 01:36 AM, Yang Shi wrote:
> Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
> have uprobes set, need get done with write mmap_sem held since
> they may update vm_flags.
>
> So, it might be not safe enough to deal with these kind of special
> mappings with read
On 08/10/2018 01:36 AM, Yang Shi wrote:
> Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
> have uprobes set, need get done with write mmap_sem held since
> they may update vm_flags.
>
> So, it might be not safe enough to deal with these kind of special
> mappings with read
On 08/10/2018 01:36 AM, Yang Shi wrote:
> Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
> have uprobes set, need get done with write mmap_sem held since
> they may update vm_flags.
>
> So, it might be not safe enough to deal with these kind of special
> mappings with read
Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
have uprobes set, need get done with write mmap_sem held since
they may update vm_flags.
So, it might be not safe enough to deal with these kind of special
mappings with read mmap_sem. Deal with such mappings with regular
do_munmap()
Unmapping vmas, which have VM_HUGETLB | VM_PFNMAP flag set or
have uprobes set, need get done with write mmap_sem held since
they may update vm_flags.
So, it might be not safe enough to deal with these kind of special
mappings with read mmap_sem. Deal with such mappings with regular
do_munmap()
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