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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Return output buffer and size via output pointer arguments, rather than returning size via tcg_ctx->code_gen_buffer_size. Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Luis Pires --- tcg/region.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/tcg/region.c b/tcg/region.c index b44246e1aa..652f328d2c 100644 --- a/tcg/region.c +++ b/tcg/region.c @@ -467,7 +467,8 @@ static inline bool cross_256mb(void *addr, size_t size) /* We weren't able to allocate a buffer without crossing that boundary, so make do with the larger portion of the buffer that doesn't cross. Returns the new base of the buffer, and adjusts code_gen_buffer_size. = */ -static inline void *split_cross_256mb(void *buf1, size_t size1) +static inline void split_cross_256mb(void **obuf, size_t *osize, + void *buf1, size_t size1) { void *buf2 =3D (void *)(((uintptr_t)buf1 + size1) & ~0x0ffffffful); size_t size2 =3D buf1 + size1 - buf2; @@ -478,8 +479,8 @@ static inline void *split_cross_256mb(void *buf1, size_= t size1) buf1 =3D buf2; } =20 - tcg_ctx->code_gen_buffer_size =3D size1; - return buf1; + *obuf =3D buf1; + *osize =3D size1; } #endif =20 @@ -509,12 +510,10 @@ static bool alloc_code_gen_buffer(size_t tb_size, int= splitwx, Error **errp) if (size > tb_size) { size =3D QEMU_ALIGN_DOWN(tb_size, qemu_real_host_page_size); } - tcg_ctx->code_gen_buffer_size =3D size; =20 #ifdef __mips__ if (cross_256mb(buf, size)) { - buf =3D split_cross_256mb(buf, size); - size =3D tcg_ctx->code_gen_buffer_size; + split_cross_256mb(&buf, &size, buf, size); } #endif =20 @@ -525,6 +524,7 @@ static bool alloc_code_gen_buffer(size_t tb_size, int s= plitwx, Error **errp) qemu_madvise(buf, size, QEMU_MADV_HUGEPAGE); =20 tcg_ctx->code_gen_buffer =3D buf; + tcg_ctx->code_gen_buffer_size =3D size; return true; } #elif defined(_WIN32) @@ -583,8 +583,7 @@ static bool alloc_code_gen_buffer_anon(size_t size, int= prot, /* fallthru */ default: /* Split the original buffer. Free the smaller half. */ - buf2 =3D split_cross_256mb(buf, size); - size2 =3D tcg_ctx->code_gen_buffer_size; + split_cross_256mb(&buf2, &size2, buf, size); if (buf =3D=3D buf2) { munmap(buf + size2, size - size2); } else { --=20 2.25.1