diff options
Diffstat (limited to 'meta/recipes-kernel/lttng/lttng-modules/0003-Fix-Use-vmalloc_sync_mappings-on-kernel-5.6-as-well.patch')
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-modules/0003-Fix-Use-vmalloc_sync_mappings-on-kernel-5.6-as-well.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-modules/0003-Fix-Use-vmalloc_sync_mappings-on-kernel-5.6-as-well.patch b/meta/recipes-kernel/lttng/lttng-modules/0003-Fix-Use-vmalloc_sync_mappings-on-kernel-5.6-as-well.patch new file mode 100644 index 0000000000..48d7e2f00c --- /dev/null +++ b/meta/recipes-kernel/lttng/lttng-modules/0003-Fix-Use-vmalloc_sync_mappings-on-kernel-5.6-as-well.patch @@ -0,0 +1,88 @@ +From 23cfd7b53ec1521d3c23ceddfda49352c2d349dc Mon Sep 17 00:00:00 2001 +From: Ovidiu Panait <ovidiu.panait@windriver.com> +Date: Thu, 14 May 2020 13:05:24 +0300 +Subject: [PATCH 3/4] Fix: Use vmalloc_sync_mappings on kernel 5.6 as well + +Upstream commit [1], that got rid of vmalloc_sync_all and introduced +vmalloc_sync_mappings, is a v5.6 commit: +$ git tag --contains 763802b53a427ed3cbd419dbba255c414fdd9e7c +v5.6 +v5.6-rc7 +v5.7-rc1 +v5.7-rc2 +v5.7-rc3 + +Extend the LINUX_VERSION_CODE check to v5.6 to fix the following warnings: +... +[ 483.242037] LTTng: vmalloc_sync_all symbol lookup failed. +[ 483.257056] Page fault handler and NMI tracing might trigger faults. +... + +[1] https://github.com/torvalds/linux/commit/763802b53a427ed3cbd419dbba255c414fdd9e7c + +Upstream-Status: Backport [https://github.com/lttng/lttng-modules/commit/da356b324dfc160e09b8966b691792037badf455] + +Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> +--- + wrapper/vmalloc.h | 12 ++++++------ + 1 file changed, 6 insertions(+), 6 deletions(-) + +diff --git a/wrapper/vmalloc.h b/wrapper/vmalloc.h +index 5d0b389..d905f60 100644 +--- a/wrapper/vmalloc.h ++++ b/wrapper/vmalloc.h +@@ -21,7 +21,7 @@ + #include <linux/kallsyms.h> + #include <wrapper/kallsyms.h> + +-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) + + static inline + void wrapper_vmalloc_sync_mappings(void) +@@ -43,7 +43,7 @@ void wrapper_vmalloc_sync_mappings(void) + } + } + +-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0)) */ ++#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */ + + /* + * Map vmalloc_sync_mappings to vmalloc_sync_all() on kernels before 5.7. +@@ -68,11 +68,11 @@ void wrapper_vmalloc_sync_mappings(void) + } + } + +-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0)) */ ++#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */ + + #else + +-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0)) ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) + + static inline + void wrapper_vmalloc_sync_mappings(void) +@@ -80,7 +80,7 @@ void wrapper_vmalloc_sync_mappings(void) + return vmalloc_sync_mappings(); + } + +-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0)) */ ++#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */ + + static inline + void wrapper_vmalloc_sync_mappings(void) +@@ -88,7 +88,7 @@ void wrapper_vmalloc_sync_mappings(void) + return vmalloc_sync_all(); + } + +-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0)) */ ++#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */ + + #endif + +-- +2.17.1 + |