scripts/atomic: change 'fold' to 'grep'

Some distibutions and build systems doesn't include 'fold' from coreutils default.

.../scripts/atomic/atomic-tbl.sh: line 183: fold: command not found

Rework to use 'grep' instead of 'fold' to use a dependency that is already used a lot in the kernel.

Reported-by Naresh Kamboju <[email protected]>

Suggested-by Will Deacon <[email protected]>

Signed-off-by Anders Roxell <[email protected]>

---
 scripts/atomic/atomic-tbl.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

scripts/atomic/atomic-tbl.sh +0 -0

index 9d6be538a987..81d5c32039dd 100755

[+ Ingo and Mark]

Quoted 20 lines · Anders Roxell

Some distibutions and build systems doesn't include 'fold' from coreutils default.

.../scripts/atomic/atomic-tbl.sh: line 183: fold: command not found

Rework to use 'grep' instead of 'fold' to use a dependency that is already used a lot in the kernel.

Reported-by Naresh Kamboju <[email protected]>

Suggested-by Will Deacon <[email protected]>

Signed-off-by Anders Roxell <[email protected]>

---
 scripts/atomic/atomic-tbl.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

scripts/atomic/atomic-tbl.sh +0 -0

index 9d6be538a987..81d5c32039dd 100755

scripts/atomic/atomic-tbl.sh gen_proto_variants() · line 185

Quoted 7 lines

scripts/atomic/atomic-tbl.sh +1 -1

@@ -180,7 +180,7 @@ gen_proto_variants()
 #gen_proto(meta, ...)
 gen_proto() {
 	local meta="$1"; shift
-	for m in $(echo "${meta}" | fold -w1); do
+	for m in $(echo "${meta}" | grep -o .); do
 		gen_proto_variants "${m}" "$@"
 	done

Acked-by Will Deacon <[email protected]>

Ingo -- please can you take this one via -tip?

Quoted 33 lines · Will Deacon

[+ Ingo and Mark]

Quoted 20 lines · Anders Roxell

Some distibutions and build systems doesn't include 'fold' from coreutils default.

.../scripts/atomic/atomic-tbl.sh: line 183: fold: command not found

Rework to use 'grep' instead of 'fold' to use a dependency that is already used a lot in the kernel.

Reported-by Naresh Kamboju <[email protected]>

Suggested-by Will Deacon <[email protected]>

Signed-off-by Anders Roxell <[email protected]>

---
 scripts/atomic/atomic-tbl.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

scripts/atomic/atomic-tbl.sh +0 -0

index 9d6be538a987..81d5c32039dd 100755

scripts/atomic/atomic-tbl.sh gen_proto_variants() · line 185

Quoted 7 lines

scripts/atomic/atomic-tbl.sh +1 -1

@@ -180,7 +180,7 @@ gen_proto_variants()
 #gen_proto(meta, ...)
 gen_proto() {
 	local meta="$1"; shift
-	for m in $(echo "${meta}" | fold -w1); do
+	for m in $(echo "${meta}" | grep -o .); do
 		gen_proto_variants "${m}" "$@"
 	done

Acked-by Will Deacon <[email protected]>

Quoted 1 line

Ingo -- please can you take this one via -tip?

I'm still waiting for a reply to my previous concerns expressed in:

Re: [tip:locking/core] locking/atomics: Check generated headers are up-to-date <[email protected]>

Will remove it from linux-next if there's no good resolution for this cycle.