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McKenney" , Boqun Feng , Quan Zhou Subject: Re: [PATCH v2 2/3] KVM: riscv: selftests: Use the existing RISCV_FENCE macro in `rseq-riscv.h` Message-ID: <20250818-617bdc4613bfa02c291a6b47@orel> References: <7de4aedb44be3166a6568c28da70c0d2d4850571.1754308799.git.dayss1224@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <7de4aedb44be3166a6568c28da70c0d2d4850571.1754308799.git.dayss1224@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250818_134920_988117_29801919 X-CRM114-Status: GOOD ( 15.13 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, Aug 07, 2025 at 10:59:29PM +0800, dayss1224@gmail.com wrote: > From: Quan Zhou > > To avoid redefinition issues with RISCV_FENCE, > directly reference the existing macro in `rseq-riscv.h`. > > Signed-off-by: Quan Zhou > Signed-off-by: Dong Yang > --- > tools/testing/selftests/rseq/rseq-riscv.h | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/rseq/rseq-riscv.h b/tools/testing/selftests/rseq/rseq-riscv.h > index 67d544aaa..06c840e81 100644 > --- a/tools/testing/selftests/rseq/rseq-riscv.h > +++ b/tools/testing/selftests/rseq/rseq-riscv.h > @@ -8,6 +8,7 @@ > * exception when executed in all modes. > */ > #include > +#include > > #if defined(__BYTE_ORDER) ? (__BYTE_ORDER == __LITTLE_ENDIAN) : defined(__LITTLE_ENDIAN) > #define RSEQ_SIG 0xf1401073 /* csrr mhartid, x0 */ > @@ -24,8 +25,6 @@ > #define REG_L __REG_SEL("ld ", "lw ") > #define REG_S __REG_SEL("sd ", "sw ") > > -#define RISCV_FENCE(p, s) \ > - __asm__ __volatile__ ("fence " #p "," #s : : : "memory") > #define rseq_smp_mb() RISCV_FENCE(rw, rw) > #define rseq_smp_rmb() RISCV_FENCE(r, r) > #define rseq_smp_wmb() RISCV_FENCE(w, w) > -- > 2.34.1 > Reviewed-by: Andrew Jones _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv