diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/lttng/files/0004-Update-Use-vmalloc_sync_mappings-for-stable-kernels.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/lttng/files/0004-Update-Use-vmalloc_sync_mappings-for-stable-kernels.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/lttng/files/0004-Update-Use-vmalloc_sync_mappings-for-stable-kernels.patch b/meta-amd-bsp/recipes-kernel/lttng/files/0004-Update-Use-vmalloc_sync_mappings-for-stable-kernels.patch new file mode 100644 index 00000000..ce682af8 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/lttng/files/0004-Update-Use-vmalloc_sync_mappings-for-stable-kernels.patch @@ -0,0 +1,66 @@ +From 34b58e38a20fdc6134a890008d0b01ad4a920dca Mon Sep 17 00:00:00 2001 +From: Ovidiu Panait <ovidiu.panait@windriver.com> +Date: Thu, 14 May 2020 14:27:17 +0300 +Subject: [PATCH 4/4] Update: Use vmalloc_sync_mappings for stable kernels + +Starting from v5.4.28/v5.2.37/v4.19.113/v4.14.175/v4.9.218/v4.4.218, stable +kernel branches backported v5.6 upstream commit [1], causing the following +warnings: +... +[ 483.242037] LTTng: vmalloc_sync_all symbol lookup failed. +[ 483.257056] Page fault handler and NMI tracing might trigger faults. +... + +Extend check for vmalloc_sync_mappings for stable kernels as well. + +[1] https://github.com/torvalds/linux/commit/763802b53a427ed3cbd419dbba255c414fdd9e7c + +[ Edit: minor coding style fix by Mathieu Desnoyers. ] + +Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Backported-from: 2b3dbafc429e1db16d1f3bc30b95b0bc92932d42 +Signed-off-by: Arsalan H. Awan <Arsalan_Awan@mentor.com> +--- + wrapper/vmalloc.h | 17 +++++++++++++++-- + 1 file changed, 15 insertions(+), 2 deletions(-) + +diff --git a/wrapper/vmalloc.h b/wrapper/vmalloc.h +index 6345db02..3efe26c7 100644 +--- a/wrapper/vmalloc.h ++++ b/wrapper/vmalloc.h +@@ -33,8 +33,15 @@ + + #include <linux/kallsyms.h> + #include <wrapper/kallsyms.h> ++#include <lttng-kernel-version.h> + +-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0) \ ++ || LTTNG_KERNEL_RANGE(5,4,28, 5,5,0) \ ++ || LTTNG_KERNEL_RANGE(5,2,37, 5,3,0) \ ++ || LTTNG_KERNEL_RANGE(4,19,113, 4,20,0) \ ++ || LTTNG_KERNEL_RANGE(4,14,175, 4,15,0) \ ++ || LTTNG_KERNEL_RANGE(4,9,218, 4,10,0) \ ++ || LTTNG_KERNEL_RANGE(4,4,218, 4,5,0)) + + static inline + void wrapper_vmalloc_sync_mappings(void) +@@ -85,7 +92,13 @@ void wrapper_vmalloc_sync_mappings(void) + + #else + +-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0) \ ++ || LTTNG_KERNEL_RANGE(5,4,28, 5,5,0) \ ++ || LTTNG_KERNEL_RANGE(5,2,37, 5,3,0) \ ++ || LTTNG_KERNEL_RANGE(4,19,113, 4,20,0) \ ++ || LTTNG_KERNEL_RANGE(4,14,175, 4,15,0) \ ++ || LTTNG_KERNEL_RANGE(4,9,218, 4,10,0) \ ++ || LTTNG_KERNEL_RANGE(4,4,218, 4,5,0)) + + static inline + void wrapper_vmalloc_sync_mappings(void) +-- +2.25.1 + |