x86_64: Fix page_offset for randomized base enabled
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- v2 Latest4 patches 11 repliesIn review
- v14 patches 19 repliesSuperseded
Changes in v2 from the cover letter
* A bug in patch 1/4 fixed
* Patch log of 2/4 improved to include more number of trials
Patches in v2 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/4 | x86_64: Calculate page_offset from pt_loadarch/ | +20 | 0 replies | |
| 2/4 | x86_64: translate all VA to PA using page table valuesarch/ makedumpfile.h | +10 | 9 replies | |
| 3/4 | x86_64: kill is_vmalloc_addr_x86_64()arch/ makedumpfile.h | +2 | 0 replies | |
| 4/4 | x86_64: kill some unused initializationarch/ makedumpfile.h | +0 | 0 replies |
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No Reviewed-by, Acked-by or Tested-by trailers for v2 yet.
Cover letter [Makedumpfile PATCH V2 0/4] x86_64: Fix page_offset for randomized base enabled
Patch 1/4 fixes page_offset calculation, so that it is correctly calculated on KASLR enabled kernel as well.
Patch 2/4 simplifies VA to PA translation. New code has been benchmarked against old code on a 4T system.
Patch 3/4 and 4/4 is removal of (now) unnecessary code.
I think, we should find a way to kill find_vememmap() as well, so that VMEMMAP_START can be removed. I have very limited idea about x86, so unable to do that as of now.
Changes since V1:
* A bug in patch 1/4 fixed
* Patch log of 2/4 improved to include more number of trials
Pratyush Anand (4):
x86_64: Calculate page_offset from pt_load
x86_64: translate all VA to PA using page table values
x86_64: kill is_vmalloc_addr_x86_64()
x86_64: kill some unused initialization
arch/x86_64.c | 84 ++++++++++++++++++++-------------------------------------- makedumpfile.h | 9 +++---- 2 files changed, 32 insertions(+), 61 deletions(-)
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