[PATCH v3 07/14] crypto: blake2s - add comment for blake2s_state fields

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From: Eric Biggers <ebiggers@xxxxxxxxxx>

The first three fields of 'struct blake2s_state' are used in assembly
code, which isn't immediately obvious, so add a comment to this effect.

Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---
 include/crypto/blake2s.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h
index 734ed22b7a6aa..f1c8330a61a91 100644
--- a/include/crypto/blake2s.h
+++ b/include/crypto/blake2s.h
@@ -24,6 +24,7 @@ enum blake2s_lengths {
 };
 
 struct blake2s_state {
+	/* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */
 	u32 h[8];
 	u32 t[2];
 	u32 f[2];
-- 
2.29.2




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