Revision e8e2bca070b4606a0d7c4ea837bb92370e690a38 authored by Alexander Potapenko on 09 January 2020, 14:16:30 UTC, committed by Alexander Potapenko on 09 January 2020, 14:16:30 UTC
KMSAN doesn't allow treating adjacent memory pages as such, if they were allocated by different alloc_pages() calls. The block layer however does so: adjacent pages end up being used together. To prevent this, make page_is_mergeable() return false under KMSAN. Suggested-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Alexander Potapenko <glider@google.com> Cc: Eric Biggers <ebiggers@google.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Vegard Nossum <vegard.nossum@oracle.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Marco Elver <elver@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: linux-mm@kvack.org
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| File | Mode | Size |
|---|---|---|
| Kconfig | -rw-r--r-- | 1.6 KB |
| Makefile | -rw-r--r-- | 429 bytes |
| diag.c | -rw-r--r-- | 7.8 KB |
| gaccess.c | -rw-r--r-- | 31.1 KB |
| gaccess.h | -rw-r--r-- | 12.6 KB |
| guestdbg.c | -rw-r--r-- | 16.3 KB |
| intercept.c | -rw-r--r-- | 12.6 KB |
| interrupt.c | -rw-r--r-- | 85.6 KB |
| irq.h | -rw-r--r-- | 309 bytes |
| kvm-s390.c | -rw-r--r-- | 127.3 KB |
| kvm-s390.h | -rw-r--r-- | 13.4 KB |
| priv.c | -rw-r--r-- | 40.8 KB |
| sigp.c | -rw-r--r-- | 12.3 KB |
| trace-s390.h | -rw-r--r-- | 8.2 KB |
| trace.h | -rw-r--r-- | 10.9 KB |
| vsie.c | -rw-r--r-- | 38.9 KB |
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