diff options
| author |   Michele Paolino <m.paolino@virtualopensystems.com> | 2024-07-12 13:13:30 +0000 |
|---|---|---|
| committer | Michele Paolino <m.paolino@virtualopensystems.com> | 2024-07-25 13:38:07 +0000 |
| commit | 78268b295615143255c9968087897226e9c16053 (patch) | |
| tree | 2c82ff186c3efc2e7eaf76d7278ce363e7d46445 /loopback_driver.h | |
| parent | c434ed98e4269ac17456242c42a4a67bb05e24dd (diff) | |
virtio-loopback-driver fixes
Updates kernel version checks to successfully compile both on aws and
AGL Ref Hardware
v2: improve accuracy of the linux kernel versions
Bug-AGL: SPEC-4834
Change-Id: Ibc75e3b1b8c1085afbcb02bd4976080b7dbc59cb
Signed-off-by: Michele Paolino <m.paolino@virtualopensystems.com>
Diffstat (limited to 'loopback_driver.h')
| -rw-r--r-- | loopback_driver.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/loopback_driver.h b/loopback_driver.h index 1a767d9..bb713aa 100644 --- a/loopback_driver.h +++ b/loopback_driver.h @@ -24,6 +24,8 @@ #define DRIVER "LOOPBACK" +#include <linux/version.h> + /* max Minor devices */ #define MAX_DEV 1 @@ -348,7 +350,12 @@ int mmap_communication_shared_space(struct file *filp, struct vm_area_struct *vm uint64_t com_mmap_pfn = ((uint64_t)virt_to_phys(com_mmap_virt)) >> PAGE_SHIFT; int ret; - vm_flags_set(vma, VM_RESERVED); +#if LINUX_VERSION_CODE < KERNEL_VERSION(5,16,0) + vma->vm_flags |= VM_RESERVED; +#else + vm_flags_set(vma, VM_RESERVED); +#endif + ret = remap_pfn_range(vma, vma->vm_start, com_mmap_pfn, size, vma->vm_page_prot); if (ret != 0) { |