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[79.27.208.221]) by smtp.gmail.com with ESMTPSA id l17sm41562756wrr.94.2019.07.28.16.19.51 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 28 Jul 2019 16:19:52 -0700 (PDT) From: Matteo Croce To: linux-arm-kernel@lists.infradead.org Cc: Marc Zyngier , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org Subject: [PATCH] KVM: arm64: mark expected switch fall-through in HYP Date: Mon, 29 Jul 2019 01:19:49 +0200 Message-Id: <20190728231949.6874-1-mcroce@redhat.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Mark switch cases where we are expecting to fall through, fixes a 130+ lines warning. Signed-off-by: Matteo Croce --- arch/arm64/kvm/hyp/debug-sr.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/kvm/hyp/debug-sr.c b/arch/arm64/kvm/hyp/debug-sr.c index 26781da3ad3e..c648c243f98b 100644 --- a/arch/arm64/kvm/hyp/debug-sr.c +++ b/arch/arm64/kvm/hyp/debug-sr.c @@ -18,40 +18,70 @@ #define save_debug(ptr,reg,nr) \ switch (nr) { \ case 15: ptr[15] = read_debug(reg, 15); \ + /* fallthrough */ \ case 14: ptr[14] = read_debug(reg, 14); \ + /* fallthrough */ \ case 13: ptr[13] = read_debug(reg, 13); \ + /* fallthrough */ \ case 12: ptr[12] = read_debug(reg, 12); \ + /* fallthrough */ \ case 11: ptr[11] = read_debug(reg, 11); \ + /* fallthrough */ \ case 10: ptr[10] = read_debug(reg, 10); \ + /* fallthrough */ \ case 9: ptr[9] = read_debug(reg, 9); \ + /* fallthrough */ \ case 8: ptr[8] = read_debug(reg, 8); \ + /* fallthrough */ \ case 7: ptr[7] = read_debug(reg, 7); \ + /* fallthrough */ \ case 6: ptr[6] = read_debug(reg, 6); \ + /* fallthrough */ \ case 5: ptr[5] = read_debug(reg, 5); \ + /* fallthrough */ \ case 4: ptr[4] = read_debug(reg, 4); \ + /* fallthrough */ \ case 3: ptr[3] = read_debug(reg, 3); \ + /* fallthrough */ \ case 2: ptr[2] = read_debug(reg, 2); \ + /* fallthrough */ \ case 1: ptr[1] = read_debug(reg, 1); \ + /* fallthrough */ \ default: ptr[0] = read_debug(reg, 0); \ } #define restore_debug(ptr,reg,nr) \ switch (nr) { \ case 15: write_debug(ptr[15], reg, 15); \ + /* fallthrough */ \ case 14: write_debug(ptr[14], reg, 14); \ + /* fallthrough */ \ case 13: write_debug(ptr[13], reg, 13); \ + /* fallthrough */ \ case 12: write_debug(ptr[12], reg, 12); \ + /* fallthrough */ \ case 11: write_debug(ptr[11], reg, 11); \ + /* fallthrough */ \ case 10: write_debug(ptr[10], reg, 10); \ + /* fallthrough */ \ case 9: write_debug(ptr[9], reg, 9); \ + /* fallthrough */ \ case 8: write_debug(ptr[8], reg, 8); \ + /* fallthrough */ \ case 7: write_debug(ptr[7], reg, 7); \ + /* fallthrough */ \ case 6: write_debug(ptr[6], reg, 6); \ + /* fallthrough */ \ case 5: write_debug(ptr[5], reg, 5); \ + /* fallthrough */ \ case 4: write_debug(ptr[4], reg, 4); \ + /* fallthrough */ \ case 3: write_debug(ptr[3], reg, 3); \ + /* fallthrough */ \ case 2: write_debug(ptr[2], reg, 2); \ + /* fallthrough */ \ case 1: write_debug(ptr[1], reg, 1); \ + /* fallthrough */ \ default: write_debug(ptr[0], reg, 0); \ } -- 2.21.0