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The function setup_tsb_params has exactly one caller tsb_grow. The function tsb_grow passes in a tsb_bytes value that is between 8192 and 1048576 inclusive, and is guaranteed to be a power of 2. The function setup_tsb_params verifies this property with a switch statement and then prints an error and causes the task to exit if this is not true. In practice that print statement can never be reached because tsb_grow never passes in a bad tsb_size. So if tsb_size ever gets a bad value that is a kernel bug. So replace the do_exit which is effectively an open coded version of BUG() with an actuall call to BUG(). Making it clearer that this is a case that can never, and should never happen. Cc: David Miller <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Link: https://lkml.kernel.org/r/20211020174406.17889-8-ebiederm@xmission.com Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> |
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| .. | ||
| fault_32.c | ||
| fault_64.c | ||
| hugetlbpage.c | ||
| hypersparc.S | ||
| init_32.c | ||
| init_64.c | ||
| init_64.h | ||
| io-unit.c | ||
| iommu.c | ||
| leon_mm.c | ||
| Makefile | ||
| mm_32.h | ||
| srmmu_access.S | ||
| srmmu.c | ||
| swift.S | ||
| tlb.c | ||
| tsb.c | ||
| tsunami.S | ||
| ultra.S | ||
| viking.S | ||