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From: Ira Weiny <ira.weiny@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	David Airlie <airlied@linux.ie>,
	Patrik Jakobsson <patrik.r.jakobsson@gmail.com>,
	x86@kernel.org, Dave Hansen <dave.hansen@linux.intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
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Subject: Re: [PATCH RFC PKS/PMEM 09/58] drivers/gpu: Utilize new kmap_thread()
Date: Sat, 10 Oct 2020 16:01:55 -0700
Message-ID: <20201010230155.GX2046448@iweiny-DESK2.sc.intel.com> (raw)
In-Reply-To: <20201009220349.GQ438822@phenom.ffwll.local>

On Sat, Oct 10, 2020 at 12:03:49AM +0200, Daniel Vetter wrote:
> On Fri, Oct 09, 2020 at 12:49:44PM -0700, ira.weiny@intel.com wrote:
> > From: Ira Weiny <ira.weiny@intel.com>
> > 
> > These kmap() calls in the gpu stack are localized to a single thread.
> > To avoid the over head of global PKRS updates use the new kmap_thread()
> > call.
> > 
> > Cc: David Airlie <airlied@linux.ie>
> > Cc: Daniel Vetter <daniel@ffwll.ch>
> > Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
> > Signed-off-by: Ira Weiny <ira.weiny@intel.com>
> 
> I'm guessing the entire pile goes in through some other tree.
>

Apologies for not realizing there were multiple maintainers here.

But, I was thinking it would land together through the mm tree once the core
support lands.  I've tried to split these out in a way they can be easily
reviewed/acked by the correct developers.

> If so:
> 
> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> 
> If you want this to land through maintainer trees, then we need a
> per-driver split (since aside from amdgpu and radeon they're all different
> subtrees).

It is just RFC for the moment.  I need to get the core support accepted first
then this can land.

> 
> btw the two kmap calls in drm you highlight in the cover letter should
> also be convertible to kmap_thread. We only hold vmalloc mappings for a
> longer time (or it'd be quite a driver bug). So if you want maybe throw
> those two as two additional patches on top, and we can do some careful
> review & testing for them.

Cool.  I'll add them in.

Ira

> -Daniel
> 
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c              | 12 ++++++------
> >  drivers/gpu/drm/gma500/gma_display.c                 |  4 ++--
> >  drivers/gpu/drm/gma500/mmu.c                         | 10 +++++-----
> >  drivers/gpu/drm/i915/gem/i915_gem_shmem.c            |  4 ++--
> >  .../gpu/drm/i915/gem/selftests/i915_gem_context.c    |  4 ++--
> >  drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c   |  8 ++++----
> >  drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c         |  4 ++--
> >  drivers/gpu/drm/i915/gt/intel_gtt.c                  |  4 ++--
> >  drivers/gpu/drm/i915/gt/shmem_utils.c                |  4 ++--
> >  drivers/gpu/drm/i915/i915_gem.c                      |  8 ++++----
> >  drivers/gpu/drm/i915/i915_gpu_error.c                |  4 ++--
> >  drivers/gpu/drm/i915/selftests/i915_perf.c           |  4 ++--
> >  drivers/gpu/drm/radeon/radeon_ttm.c                  |  4 ++--
> >  13 files changed, 37 insertions(+), 37 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > index 978bae731398..bd564bccb7a3 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > @@ -2437,11 +2437,11 @@ static ssize_t amdgpu_ttm_gtt_read(struct file *f, char __user *buf,
> >  
> >  		page = adev->gart.pages[p];
> >  		if (page) {
> > -			ptr = kmap(page);
> > +			ptr = kmap_thread(page);
> >  			ptr += off;
> >  
> >  			r = copy_to_user(buf, ptr, cur_size);
> > -			kunmap(adev->gart.pages[p]);
> > +			kunmap_thread(adev->gart.pages[p]);
> >  		} else
> >  			r = clear_user(buf, cur_size);
> >  
> > @@ -2507,9 +2507,9 @@ static ssize_t amdgpu_iomem_read(struct file *f, char __user *buf,
> >  		if (p->mapping != adev->mman.bdev.dev_mapping)
> >  			return -EPERM;
> >  
> > -		ptr = kmap(p);
> > +		ptr = kmap_thread(p);
> >  		r = copy_to_user(buf, ptr + off, bytes);
> > -		kunmap(p);
> > +		kunmap_thread(p);
> >  		if (r)
> >  			return -EFAULT;
> >  
> > @@ -2558,9 +2558,9 @@ static ssize_t amdgpu_iomem_write(struct file *f, const char __user *buf,
> >  		if (p->mapping != adev->mman.bdev.dev_mapping)
> >  			return -EPERM;
> >  
> > -		ptr = kmap(p);
> > +		ptr = kmap_thread(p);
> >  		r = copy_from_user(ptr + off, buf, bytes);
> > -		kunmap(p);
> > +		kunmap_thread(p);
> >  		if (r)
> >  			return -EFAULT;
> >  
> > diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
> > index 3df6d6e850f5..35f4e55c941f 100644
> > --- a/drivers/gpu/drm/gma500/gma_display.c
> > +++ b/drivers/gpu/drm/gma500/gma_display.c
> > @@ -400,9 +400,9 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
> >  		/* Copy the cursor to cursor mem */
> >  		tmp_dst = dev_priv->vram_addr + cursor_gt->offset;
> >  		for (i = 0; i < cursor_pages; i++) {
> > -			tmp_src = kmap(gt->pages[i]);
> > +			tmp_src = kmap_thread(gt->pages[i]);
> >  			memcpy(tmp_dst, tmp_src, PAGE_SIZE);
> > -			kunmap(gt->pages[i]);
> > +			kunmap_thread(gt->pages[i]);
> >  			tmp_dst += PAGE_SIZE;
> >  		}
> >  
> > diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c
> > index 505044c9a673..fba7a3a461fd 100644
> > --- a/drivers/gpu/drm/gma500/mmu.c
> > +++ b/drivers/gpu/drm/gma500/mmu.c
> > @@ -192,20 +192,20 @@ struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
> >  		pd->invalid_pte = 0;
> >  	}
> >  
> > -	v = kmap(pd->dummy_pt);
> > +	v = kmap_thread(pd->dummy_pt);
> >  	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
> >  		v[i] = pd->invalid_pte;
> >  
> > -	kunmap(pd->dummy_pt);
> > +	kunmap_thread(pd->dummy_pt);
> >  
> > -	v = kmap(pd->p);
> > +	v = kmap_thread(pd->p);
> >  	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
> >  		v[i] = pd->invalid_pde;
> >  
> > -	kunmap(pd->p);
> > +	kunmap_thread(pd->p);
> >  
> >  	clear_page(kmap(pd->dummy_page));
> > -	kunmap(pd->dummy_page);
> > +	kunmap_thread(pd->dummy_page);
> >  
> >  	pd->tables = vmalloc_user(sizeof(struct psb_mmu_pt *) * 1024);
> >  	if (!pd->tables)
> > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
> > index 38113d3c0138..274424795fb7 100644
> > --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
> > +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
> > @@ -566,9 +566,9 @@ i915_gem_object_create_shmem_from_data(struct drm_i915_private *dev_priv,
> >  		if (err < 0)
> >  			goto fail;
> >  
> > -		vaddr = kmap(page);
> > +		vaddr = kmap_thread(page);
> >  		memcpy(vaddr, data, len);
> > -		kunmap(page);
> > +		kunmap_thread(page);
> >  
> >  		err = pagecache_write_end(file, file->f_mapping,
> >  					  offset, len, len,
> > diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
> > index 7ffc3c751432..b466c677d007 100644
> > --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
> > +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
> > @@ -1754,7 +1754,7 @@ static int check_scratch_page(struct i915_gem_context *ctx, u32 *out)
> >  		return -EINVAL;
> >  	}
> >  
> > -	vaddr = kmap(page);
> > +	vaddr = kmap_thread(page);
> >  	if (!vaddr) {
> >  		pr_err("No (mappable) scratch page!\n");
> >  		return -EINVAL;
> > @@ -1765,7 +1765,7 @@ static int check_scratch_page(struct i915_gem_context *ctx, u32 *out)
> >  		pr_err("Inconsistent initial state of scratch page!\n");
> >  		err = -EINVAL;
> >  	}
> > -	kunmap(page);
> > +	kunmap_thread(page);
> >  
> >  	return err;
> >  }
> > diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
> > index 9c7402ce5bf9..447df22e2e06 100644
> > --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
> > +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
> > @@ -143,7 +143,7 @@ static int check_partial_mapping(struct drm_i915_gem_object *obj,
> >  	intel_gt_flush_ggtt_writes(&to_i915(obj->base.dev)->gt);
> >  
> >  	p = i915_gem_object_get_page(obj, offset >> PAGE_SHIFT);
> > -	cpu = kmap(p) + offset_in_page(offset);
> > +	cpu = kmap_thread(p) + offset_in_page(offset);
> >  	drm_clflush_virt_range(cpu, sizeof(*cpu));
> >  	if (*cpu != (u32)page) {
> >  		pr_err("Partial view for %lu [%u] (offset=%llu, size=%u [%llu, row size %u], fence=%d, tiling=%d, stride=%d) misalignment, expected write to page (%llu + %u [0x%llx]) of 0x%x, found 0x%x\n",
> > @@ -161,7 +161,7 @@ static int check_partial_mapping(struct drm_i915_gem_object *obj,
> >  	}
> >  	*cpu = 0;
> >  	drm_clflush_virt_range(cpu, sizeof(*cpu));
> > -	kunmap(p);
> > +	kunmap_thread(p);
> >  
> >  out:
> >  	__i915_vma_put(vma);
> > @@ -236,7 +236,7 @@ static int check_partial_mappings(struct drm_i915_gem_object *obj,
> >  		intel_gt_flush_ggtt_writes(&to_i915(obj->base.dev)->gt);
> >  
> >  		p = i915_gem_object_get_page(obj, offset >> PAGE_SHIFT);
> > -		cpu = kmap(p) + offset_in_page(offset);
> > +		cpu = kmap_thread(p) + offset_in_page(offset);
> >  		drm_clflush_virt_range(cpu, sizeof(*cpu));
> >  		if (*cpu != (u32)page) {
> >  			pr_err("Partial view for %lu [%u] (offset=%llu, size=%u [%llu, row size %u], fence=%d, tiling=%d, stride=%d) misalignment, expected write to page (%llu + %u [0x%llx]) of 0x%x, found 0x%x\n",
> > @@ -254,7 +254,7 @@ static int check_partial_mappings(struct drm_i915_gem_object *obj,
> >  		}
> >  		*cpu = 0;
> >  		drm_clflush_virt_range(cpu, sizeof(*cpu));
> > -		kunmap(p);
> > +		kunmap_thread(p);
> >  		if (err)
> >  			return err;
> >  
> > diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
> > index 7fb36b12fe7a..38da348282f1 100644
> > --- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
> > +++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
> > @@ -731,7 +731,7 @@ static void swizzle_page(struct page *page)
> >  	char *vaddr;
> >  	int i;
> >  
> > -	vaddr = kmap(page);
> > +	vaddr = kmap_thread(page);
> >  
> >  	for (i = 0; i < PAGE_SIZE; i += 128) {
> >  		memcpy(temp, &vaddr[i], 64);
> > @@ -739,7 +739,7 @@ static void swizzle_page(struct page *page)
> >  		memcpy(&vaddr[i + 64], temp, 64);
> >  	}
> >  
> > -	kunmap(page);
> > +	kunmap_thread(page);
> >  }
> >  
> >  /**
> > diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c
> > index 2a72cce63fd9..4cfb24e9ed62 100644
> > --- a/drivers/gpu/drm/i915/gt/intel_gtt.c
> > +++ b/drivers/gpu/drm/i915/gt/intel_gtt.c
> > @@ -312,9 +312,9 @@ static void poison_scratch_page(struct page *page, unsigned long size)
> >  	do {
> >  		void *vaddr;
> >  
> > -		vaddr = kmap(page);
> > +		vaddr = kmap_thread(page);
> >  		memset(vaddr, POISON_FREE, PAGE_SIZE);
> > -		kunmap(page);
> > +		kunmap_thread(page);
> >  
> >  		page = pfn_to_page(page_to_pfn(page) + 1);
> >  		size -= PAGE_SIZE;
> > diff --git a/drivers/gpu/drm/i915/gt/shmem_utils.c b/drivers/gpu/drm/i915/gt/shmem_utils.c
> > index 43c7acbdc79d..a40d3130cebf 100644
> > --- a/drivers/gpu/drm/i915/gt/shmem_utils.c
> > +++ b/drivers/gpu/drm/i915/gt/shmem_utils.c
> > @@ -142,12 +142,12 @@ static int __shmem_rw(struct file *file, loff_t off,
> >  		if (IS_ERR(page))
> >  			return PTR_ERR(page);
> >  
> > -		vaddr = kmap(page);
> > +		vaddr = kmap_thread(page);
> >  		if (write)
> >  			memcpy(vaddr + offset_in_page(off), ptr, this);
> >  		else
> >  			memcpy(ptr, vaddr + offset_in_page(off), this);
> > -		kunmap(page);
> > +		kunmap_thread(page);
> >  		put_page(page);
> >  
> >  		len -= this;
> > diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> > index 9aa3066cb75d..cae8300fd224 100644
> > --- a/drivers/gpu/drm/i915/i915_gem.c
> > +++ b/drivers/gpu/drm/i915/i915_gem.c
> > @@ -312,14 +312,14 @@ shmem_pread(struct page *page, int offset, int len, char __user *user_data,
> >  	char *vaddr;
> >  	int ret;
> >  
> > -	vaddr = kmap(page);
> > +	vaddr = kmap_thread(page);
> >  
> >  	if (needs_clflush)
> >  		drm_clflush_virt_range(vaddr + offset, len);
> >  
> >  	ret = __copy_to_user(user_data, vaddr + offset, len);
> >  
> > -	kunmap(page);
> > +	kunmap_thread(page);
> >  
> >  	return ret ? -EFAULT : 0;
> >  }
> > @@ -708,7 +708,7 @@ shmem_pwrite(struct page *page, int offset, int len, char __user *user_data,
> >  	char *vaddr;
> >  	int ret;
> >  
> > -	vaddr = kmap(page);
> > +	vaddr = kmap_thread(page);
> >  
> >  	if (needs_clflush_before)
> >  		drm_clflush_virt_range(vaddr + offset, len);
> > @@ -717,7 +717,7 @@ shmem_pwrite(struct page *page, int offset, int len, char __user *user_data,
> >  	if (!ret && needs_clflush_after)
> >  		drm_clflush_virt_range(vaddr + offset, len);
> >  
> > -	kunmap(page);
> > +	kunmap_thread(page);
> >  
> >  	return ret ? -EFAULT : 0;
> >  }
> > diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> > index 3e6cbb0d1150..aecd469b6b6e 100644
> > --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> > +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> > @@ -1058,9 +1058,9 @@ i915_vma_coredump_create(const struct intel_gt *gt,
> >  
> >  			drm_clflush_pages(&page, 1);
> >  
> > -			s = kmap(page);
> > +			s = kmap_thread(page);
> >  			ret = compress_page(compress, s, dst, false);
> > -			kunmap(page);
> > +			kunmap_thread(page);
> >  
> >  			drm_clflush_pages(&page, 1);
> >  
> > diff --git a/drivers/gpu/drm/i915/selftests/i915_perf.c b/drivers/gpu/drm/i915/selftests/i915_perf.c
> > index c2d001d9c0ec..7f7ef2d056f4 100644
> > --- a/drivers/gpu/drm/i915/selftests/i915_perf.c
> > +++ b/drivers/gpu/drm/i915/selftests/i915_perf.c
> > @@ -307,7 +307,7 @@ static int live_noa_gpr(void *arg)
> >  	}
> >  
> >  	/* Poison the ce->vm so we detect writes not to the GGTT gt->scratch */
> > -	scratch = kmap(ce->vm->scratch[0].base.page);
> > +	scratch = kmap_thread(ce->vm->scratch[0].base.page);
> >  	memset(scratch, POISON_FREE, PAGE_SIZE);
> >  
> >  	rq = intel_context_create_request(ce);
> > @@ -405,7 +405,7 @@ static int live_noa_gpr(void *arg)
> >  out_rq:
> >  	i915_request_put(rq);
> >  out_ce:
> > -	kunmap(ce->vm->scratch[0].base.page);
> > +	kunmap_thread(ce->vm->scratch[0].base.page);
> >  	intel_context_put(ce);
> >  out:
> >  	stream_destroy(stream);
> > diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
> > index 004344dce140..0aba0cac51e1 100644
> > --- a/drivers/gpu/drm/radeon/radeon_ttm.c
> > +++ b/drivers/gpu/drm/radeon/radeon_ttm.c
> > @@ -1013,11 +1013,11 @@ static ssize_t radeon_ttm_gtt_read(struct file *f, char __user *buf,
> >  
> >  		page = rdev->gart.pages[p];
> >  		if (page) {
> > -			ptr = kmap(page);
> > +			ptr = kmap_thread(page);
> >  			ptr += off;
> >  
> >  			r = copy_to_user(buf, ptr, cur_size);
> > -			kunmap(rdev->gart.pages[p]);
> > +			kunmap_thread(rdev->gart.pages[p]);
> >  		} else
> >  			r = clear_user(buf, cur_size);
> >  
> > -- 
> > 2.28.0.rc0.12.gb6a658bd00c9
> > 
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

  reply index

Thread overview: 93+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-09 19:49 [PATCH RFC PKS/PMEM 00/58] PMEM: Introduce stray write protection for PMEM ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 01/58] x86/pks: Add a global pkrs option ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 02/58] x86/pks/test: Add testing for global option ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 03/58] memremap: Add zone device access protection ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 04/58] kmap: Add stray access protection for device pages ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 05/58] kmap: Introduce k[un]map_thread ira.weiny
2020-11-10  1:13   ` Thomas Gleixner
2020-11-10  4:59     ` Ira Weiny
2020-11-10  8:48       ` Thomas Gleixner
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 06/58] kmap: Introduce k[un]map_thread debugging ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 07/58] drivers/drbd: Utilize new kmap_thread() ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 08/58] drivers/firmware_loader: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 09/58] drivers/gpu: " ira.weiny
2020-10-09 22:03   ` Daniel Vetter
2020-10-10 23:01     ` Ira Weiny [this message]
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 10/58] drivers/rdma: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 11/58] drivers/net: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 12/58] fs/afs: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 13/58] fs/btrfs: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 14/58] fs/cifs: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 15/58] fs/ecryptfs: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 16/58] fs/gfs2: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 17/58] fs/nilfs2: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 18/58] fs/hfs: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 19/58] fs/hfsplus: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 20/58] fs/jffs2: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 21/58] fs/nfs: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 22/58] fs/f2fs: " ira.weiny
2020-10-09 21:34   ` Eric Biggers
2020-10-10  0:39     ` Matthew Wilcox
2020-10-10  1:30       ` Eric Biggers
2020-10-12  6:56         ` Ira Weiny
2020-10-12 16:19           ` Eric Biggers
2020-10-12 16:28             ` Dave Hansen
2020-10-12 16:44               ` Matthew Wilcox
2020-10-12 19:53                 ` Ira Weiny
2020-10-12 20:02                   ` Matthew Wilcox
2020-10-12 23:31                     ` Ira Weiny
2020-10-10  2:43     ` James Bottomley
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 23/58] fs/fuse: " ira.weiny
2020-10-09 19:49 ` [PATCH RFC PKS/PMEM 24/58] fs/freevxfs: " ira.weiny
2020-10-13 11:25   ` Christoph Hellwig
2020-10-13 20:52     ` Ira Weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 25/58] fs/reiserfs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 26/58] fs/zonefs: " ira.weiny
2020-10-12  2:30   ` Damien Le Moal
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 27/58] fs/ubifs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 28/58] fs/cachefiles: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 29/58] fs/ntfs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 30/58] fs/romfs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 31/58] fs/vboxsf: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 32/58] fs/hostfs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 33/58] fs/cramfs: " ira.weiny
2020-10-13 18:36   ` Nicolas Pitre
2020-10-13 18:44   ` Dan Williams
2020-10-13 19:36     ` Matthew Wilcox
2020-10-13 19:41       ` Dan Williams
2020-10-13 20:01       ` Al Viro
2020-10-13 20:50         ` Ira Weiny
2020-10-13 20:45       ` Ira Weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 34/58] fs/erofs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 35/58] fs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 36/58] fs/ext2: Use ext2_put_page ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 37/58] fs/ext2: Utilize new kmap_thread() ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 38/58] fs/isofs: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 39/58] fs/jffs2: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 40/58] net: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 41/58] drivers/target: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 42/58] drivers/scsi: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 43/58] drivers/mmc: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 44/58] drivers/xen: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 45/58] drivers/firmware: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 46/58] drives/staging: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 47/58] drivers/mtd: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 48/58] drivers/md: " ira.weiny
2020-10-10  2:20   ` Coly Li
2020-10-12  5:28     ` Ira Weiny
2020-10-12  7:40       ` Coly Li
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 49/58] drivers/misc: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 50/58] drivers/android: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 51/58] kernel: " ira.weiny
2020-10-10  3:43   ` Eric W. Biederman
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 52/58] mm: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 53/58] lib: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 54/58] powerpc: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 55/58] samples: " ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 56/58] dax: Stray access protection for dax_direct_access() ira.weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 57/58] nvdimm/pmem: Stray access protection for pmem->virt_addr ira.weiny
2020-10-10  2:53   ` John Hubbard
2020-10-12  5:52     ` Ira Weiny
2020-10-09 19:50 ` [PATCH RFC PKS/PMEM 58/58] [dax|pmem]: Enable stray access protection ira.weiny
2020-10-10 11:36 ` [PATCH RFC PKS/PMEM 10/58] drivers/rdma: Utilize new kmap_thread() Bernard Metzler
2020-10-12  4:47   ` Ira Weiny

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