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197173db |
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05-Oct-2022 |
Jason A. Donenfeld <Jason@zx2c4.com> |
treewide: use get_random_bytes() when possible The prandom_bytes() function has been a deprecated inline wrapper around get_random_bytes() for several releases now, and compiles down to the exact same code. Replace the deprecated wrapper with a direct call to the real function. This was done as a basic find and replace. Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Yury Norov <yury.norov@gmail.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> # powerpc Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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a6379f0a |
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12-Jun-2020 |
Aditya Pakki <pakki001@umn.edu> |
test_objagg: Fix potential memory leak in error handling In case of failure of check_expect_hints_stats(), the resources allocated by objagg_hints_get should be freed. The patch fixes this issue. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
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e7c2e3b5 |
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13-Feb-2019 |
Dan Carpenter <dan.carpenter@oracle.com> |
test_objagg: Uninitialized variable in error handling We need to set the error message on this path otherwise some of the callers, such as test_hints_case(), print from an uninitialized pointer. We had a similar bug earlier and set "errmsg" to NULL in the caller, test_delta_action_item(). That code is no longer required so I have removed it. Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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951d3d6f |
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13-Feb-2019 |
Dan Carpenter <dan.carpenter@oracle.com> |
test_objagg: Test the correct variable There is a typo here. We intended to check "objagg2" but we instead test "objagg" which is not an error pointer. Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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9069a381 |
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07-Feb-2019 |
Jiri Pirko <jiri@mellanox.com> |
lib: objagg: implement optimization hints assembly and use hints for object creation Implement simple greedy algo to find more optimized root-delta tree for a given objagg instance. This "hints" can be used by a driver to: 1) check if the hints are better (driver's choice) than the original objagg tree. Driver does comparison of objagg stats and hints stats. 2) use the hints to create a new objagg instance which will construct the root-delta tree according to the passed hints. Currently, only a simple greedy algorithm is implemented. Basically it finds the roots according to the maximal possible user count including deltas. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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110e2b4b |
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15-Nov-2018 |
David S. Miller <davem@davemloft.net> |
test_objagg: Fix warning. lib/test_objagg.c: In function ‘test_delta_action_item’: ./include/linux/printk.h:308:2: warning: ‘errmsg’ may be used uninitialized in this function [-Wmaybe-uninitialized] Signed-off-by: David S. Miller <davem@davemloft.net>
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0a020d41 |
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14-Nov-2018 |
Jiri Pirko <jiri@mellanox.com> |
lib: introduce initial implementation of object aggregation manager This lib tracks objects which could be of two types: 1) root object 2) nested object - with a "delta" which differentiates it from the associated root object The objects are tracked by a hashtable and reference-counted. User is responsible of implementing callbacks to create/destroy root entity related to each root object and callback to create/destroy nested object delta. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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