diff options
Diffstat (limited to 'pkg/sentry/fs/proc/cpuinfo.go')
| -rw-r--r-- | pkg/sentry/fs/proc/cpuinfo.go | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/pkg/sentry/fs/proc/cpuinfo.go b/pkg/sentry/fs/proc/cpuinfo.go index 3edf36780..df0c4e3a7 100644 --- a/pkg/sentry/fs/proc/cpuinfo.go +++ b/pkg/sentry/fs/proc/cpuinfo.go @@ -15,11 +15,15 @@ package proc import ( + "bytes" + "gvisor.dev/gvisor/pkg/sentry/context" "gvisor.dev/gvisor/pkg/sentry/fs" "gvisor.dev/gvisor/pkg/sentry/kernel" ) +// LINT.IfChange + func newCPUInfo(ctx context.Context, msrc *fs.MountSource) *fs.Inode { k := kernel.KernelFromContext(ctx) features := k.FeatureSet() @@ -27,9 +31,11 @@ func newCPUInfo(ctx context.Context, msrc *fs.MountSource) *fs.Inode { // Kernel is always initialized with a FeatureSet. panic("cpuinfo read with nil FeatureSet") } - contents := make([]byte, 0, 1024) + var buf bytes.Buffer for i, max := uint(0), k.ApplicationCores(); i < max; i++ { - contents = append(contents, []byte(features.CPUInfo(i))...) + features.WriteCPUInfoTo(i, &buf) } - return newStaticProcInode(ctx, msrc, contents) + return newStaticProcInode(ctx, msrc, buf.Bytes()) } + +// LINT.ThenChange(../../fsimpl/proc/tasks_files.go) |