diff options
Diffstat (limited to 'poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-random-rather-than-entropy_store-abstraction-use.patch')
| -rw-r--r-- | poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-random-rather-than-entropy_store-abstraction-use.patch | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-random-rather-than-entropy_store-abstraction-use.patch b/poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-random-rather-than-entropy_store-abstraction-use.patch new file mode 100644 index 0000000000..9159e62119 --- /dev/null +++ b/poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-random-rather-than-entropy_store-abstraction-use.patch @@ -0,0 +1,147 @@ +From 98b7729a776bc5babb39345eeeba3cd1f60d8c9a Mon Sep 17 00:00:00 2001 +From: Michael Jeanson <mjeanson@efficios.com> +Date: Wed, 26 Jan 2022 14:53:41 -0500 +Subject: [PATCH 5/7] fix: random: rather than entropy_store abstraction, use + global (v5.17) + +See upstream commit : + + commit 90ed1e67e896cc8040a523f8428fc02f9b164394 + Author: Jason A. Donenfeld <Jason@zx2c4.com> + Date: Wed Jan 12 17:18:08 2022 +0100 + + random: rather than entropy_store abstraction, use global + + Originally, the RNG used several pools, so having things abstracted out + over a generic entropy_store object made sense. These days, there's only + one input pool, and then an uneven mix of usage via the abstraction and + usage via &input_pool. Rather than this uneasy mixture, just get rid of + the abstraction entirely and have things always use the global. This + simplifies the code and makes reading it a bit easier. + +Upstream-Status: Backport [lttng-modules commit 98b7729a776bc5babb39345eeeba3cd1f60d8c9a] + +Change-Id: I1a2a14d7b6e69a047804e1e91e00fe002f757431 +Signed-off-by: Michael Jeanson <mjeanson@efficios.com> +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +--- + include/instrumentation/events/random.h | 81 ++++++++++++++++++++++++- + 1 file changed, 80 insertions(+), 1 deletion(-) + +diff --git a/include/instrumentation/events/random.h b/include/instrumentation/events/random.h +index ed05d26a..8cc88adb 100644 +--- a/include/instrumentation/events/random.h ++++ b/include/instrumentation/events/random.h +@@ -8,6 +8,36 @@ + #include <lttng/tracepoint-event.h> + #include <linux/writeback.h> + ++#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) ++LTTNG_TRACEPOINT_EVENT_CLASS(random__mix_pool_bytes, ++ TP_PROTO(int bytes, unsigned long IP), ++ ++ TP_ARGS(bytes, IP), ++ ++ TP_FIELDS( ++ ctf_integer(int, bytes, bytes) ++ ctf_integer_hex(unsigned long, IP, IP) ++ ) ++) ++ ++LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__mix_pool_bytes, mix_pool_bytes, ++ ++ random_mix_pool_bytes, ++ ++ TP_PROTO(int bytes, unsigned long IP), ++ ++ TP_ARGS(bytes, IP) ++) ++ ++LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__mix_pool_bytes, mix_pool_bytes_nolock, ++ ++ random_mix_pool_bytes_nolock, ++ ++ TP_PROTO(int bytes, unsigned long IP), ++ ++ TP_ARGS(bytes, IP) ++) ++#else + LTTNG_TRACEPOINT_EVENT_CLASS(random__mix_pool_bytes, + TP_PROTO(const char *pool_name, int bytes, unsigned long IP), + +@@ -37,8 +67,24 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__mix_pool_bytes, mix_pool_bytes_noloc + + TP_ARGS(pool_name, bytes, IP) + ) ++#endif + +-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0)) ++#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) ++LTTNG_TRACEPOINT_EVENT_MAP(credit_entropy_bits, ++ ++ random_credit_entropy_bits, ++ ++ TP_PROTO(int bits, int entropy_count, unsigned long IP), ++ ++ TP_ARGS(bits, entropy_count, IP), ++ ++ TP_FIELDS( ++ ctf_integer(int, bits, bits) ++ ctf_integer(int, entropy_count, entropy_count) ++ ctf_integer_hex(unsigned long, IP, IP) ++ ) ++) ++#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0)) + LTTNG_TRACEPOINT_EVENT_MAP(credit_entropy_bits, + + random_credit_entropy_bits, +@@ -89,6 +135,38 @@ LTTNG_TRACEPOINT_EVENT_MAP(get_random_bytes, + ) + ) + ++#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) ++LTTNG_TRACEPOINT_EVENT_CLASS(random__extract_entropy, ++ TP_PROTO(int nbytes, int entropy_count, unsigned long IP), ++ ++ TP_ARGS(nbytes, entropy_count, IP), ++ ++ TP_FIELDS( ++ ctf_integer(int, nbytes, nbytes) ++ ctf_integer(int, entropy_count, entropy_count) ++ ctf_integer_hex(unsigned long, IP, IP) ++ ) ++) ++ ++ ++LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy, ++ ++ random_extract_entropy, ++ ++ TP_PROTO(int nbytes, int entropy_count, unsigned long IP), ++ ++ TP_ARGS(nbytes, entropy_count, IP) ++) ++ ++LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy_user, ++ ++ random_extract_entropy_user, ++ ++ TP_PROTO(int nbytes, int entropy_count, unsigned long IP), ++ ++ TP_ARGS(nbytes, entropy_count, IP) ++) ++#else + LTTNG_TRACEPOINT_EVENT_CLASS(random__extract_entropy, + TP_PROTO(const char *pool_name, int nbytes, int entropy_count, + unsigned long IP), +@@ -123,6 +201,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy_use + + TP_ARGS(pool_name, nbytes, entropy_count, IP) + ) ++#endif + + + +-- +2.19.1 + |