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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id o10-20020a056000010a00b00336cbbf2e0fsm441141wrx.27.2024.01.10.23.25.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Jan 2024 23:25:54 -0800 (PST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: a7fe86f9-b052-11ee-98f0-6d05b1d4d9a1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1704957954; x=1705562754; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=2kKucQeG9hzCGGVi5VOoQwoW+K7wlDclKUZkgMvdu4E=; b=P9JwASPq42J3f3OERQWWicQ9bPcc2MSyXzRXVe/q53QzuNJd+Jzu2Lq/tR+sCtY0HH M3IYmukj0s6hNEavp4e5XSf7DQPwHOnJdpuB4JeGeNnlbvuMlLTUZXadTfC1Leo2f2jx rZhVkU0SUFEDnndk5zJMOBJ4tBu88UwNPXPqk4+tHszv5KZPLHZ9wQU/WD0YWFxuaBtc SbRkmrqF9JaJdxGO8k91K49Pa5KqsWTD9NkIVcyccaIgv8FNAC5krT6Ql44pMNaJR3v3 FDyGeSPNuDOWcur7/g3EyfehdiV1FgxfcGTelU/yExP66Nlngb2cVLvQvhZ2iR+gQalF wxdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704957954; x=1705562754; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=2kKucQeG9hzCGGVi5VOoQwoW+K7wlDclKUZkgMvdu4E=; b=q3xV/3MSi92rWvEYyNpKkDkbGBM6TFTmCKREzYYo442gFxcrF7OGQwAtvAiTJXkdOn HnrGI/orfGnmxYUDqvvDx0/dlm/W8Fs53zHC3cPgOwgKvZZEco5MzYss+ReBxC70Ki6S Z3cDC61lumHHXkdH6lCfx3FMIRgxJOeo4i6Z7/hLx1NicrYBKG+2GxbdHii6+XfCcsy+ g6xkWKrM9m9BsD4ZwztK9HOVQw/RbDgu653oraZ7C4gif0/QeQzyK6Vd5UjpgQtWysNh 9u1uAi9/MM1h5bXTGJA1Shyk+RWjiko9+d/dFihLx+BDshbWHBYu4kOgA7Mm1pPIbVNB o2og== X-Gm-Message-State: AOJu0YywSOaJjq+lE0W04Hx5bbcpW2ehQGMSGrkw7aLmC3QtJvL0JB2p 8IWGDN2A/bFERHoRsbRqHAvPH4+WGPoj44X2MMXCRYntEQ== X-Google-Smtp-Source: AGHT+IF4liWdDvfwb1UVGsXXM5DbkozxfiiAy6C/RW1K8AXp6tqlZPfz89MnEWTGaPWetzBiAJsHdg== X-Received: by 2002:a05:651c:204f:b0:2cc:78c5:7ffa with SMTP id t15-20020a05651c204f00b002cc78c57ffamr119364ljo.7.1704957954283; Wed, 10 Jan 2024 23:25:54 -0800 (PST) Message-ID: <9ab12fd0-4b71-4ef7-9ab4-0ab38a4c94c6@suse.com> Date: Thu, 11 Jan 2024 08:25:53 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 3/8] serial: drop serial_rx_fn's regs parameter Content-Language: en-US From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , George Dunlap , Julien Grall , Stefano Stabellini , Wei Liu References: <5d6089a4-c597-49ce-b042-24f13922f581@suse.com> Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <5d6089a4-c597-49ce-b042-24f13922f581@suse.com> In the one place where it's needed, get_irq_regs() can be used instead. This is in preparation of dropping the register parameters from IRQ handler functions. Signed-off-by: Jan Beulich --- a/xen/drivers/char/console.c +++ b/xen/drivers/char/console.c @@ -527,12 +527,12 @@ static void switch_serial_input(void) printk("\n"); } -static void __serial_rx(char c, struct cpu_user_regs *regs) +static void __serial_rx(char c) { switch ( console_rx ) { case 0: - return handle_keypress(c, regs); + return handle_keypress(c, get_irq_regs()); case 1: /* @@ -579,7 +579,7 @@ static void __serial_rx(char c, struct c #endif } -static void cf_check serial_rx(char c, struct cpu_user_regs *regs) +static void cf_check serial_rx(char c) { static int switch_code_count = 0; @@ -595,10 +595,10 @@ static void cf_check serial_rx(char c, s } for ( ; switch_code_count != 0; switch_code_count-- ) - __serial_rx(switch_code, regs); + __serial_rx(switch_code); /* Finally process the just-received character. */ - __serial_rx(c, regs); + __serial_rx(c); } static void cf_check notify_dom0_con_ring(void *unused) --- a/xen/drivers/char/serial.c +++ b/xen/drivers/char/serial.c @@ -68,7 +68,7 @@ void serial_rx_interrupt(struct serial_p spin_unlock_irqrestore(&port->rx_lock, flags); if ( fn != NULL ) - (*fn)(c & 0x7f, regs); + fn(c & 0x7f); } void serial_tx_interrupt(struct serial_port *port, struct cpu_user_regs *regs) --- a/xen/drivers/char/xen_pv_console.c +++ b/xen/drivers/char/xen_pv_console.c @@ -118,7 +118,7 @@ size_t pv_console_rx(struct cpu_user_reg { c = cons_ring->in[MASK_XENCONS_IDX(cons++, cons_ring->in)]; if ( cons_rx_handler ) - cons_rx_handler(c, regs); + cons_rx_handler(c); recv++; } --- a/xen/include/xen/serial.h +++ b/xen/include/xen/serial.h @@ -15,7 +15,7 @@ struct cpu_user_regs; /* Register a character-receive hook on the specified COM port. */ -typedef void (*serial_rx_fn)(char c, struct cpu_user_regs *regs); +typedef void (*serial_rx_fn)(char c); void serial_set_rx_handler(int handle, serial_rx_fn fn); /* Number of characters we buffer for a polling receiver. */