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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH 06/17] fortify: Detect struct member overflows in memcpy() at compile-time
Date: Wed, 15 Dec 2021 00:32:34 +0800	[thread overview]
Message-ID: <202112150059.yHZrJY0I-lkp@intel.com> (raw)
In-Reply-To: <20211213223331.135412-7-keescook@chromium.org>

[-- Attachment #1: Type: text/plain, Size: 29532 bytes --]

Hi Kees,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.16-rc5 next-20211213]
[cannot apply to rdma/for-next axboe-block/for-next kvm/queue tip/x86/core mkp-scsi/for-next jejb-scsi/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Kees-Cook/Enable-strict-compile-time-memcpy-fortify-checks/20211214-064002
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git aa50faff4416c869b52dff68a937c84d29e12f4b
config: i386-randconfig-s002-20211214 (https://download.01.org/0day-ci/archive/20211215/202112150059.yHZrJY0I-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/80c8d2aae95aae6bd09e3ef84b74d0afe631abae
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Kees-Cook/Enable-strict-compile-time-memcpy-fortify-checks/20211214-064002
        git checkout 80c8d2aae95aae6bd09e3ef84b74d0afe631abae
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/video/fbdev/geode/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *gp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     got void [noderef] __iomem *gp_regs
>> drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *gp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     got void [noderef] __iomem *gp_regs
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *gp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     got void [noderef] __iomem *gp_regs
>> drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *dc_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     got void [noderef] __iomem *dc_regs
>> drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *dc_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     got void [noderef] __iomem *dc_regs
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *dc_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     got void [noderef] __iomem *dc_regs
>> drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *vp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     got void [noderef] __iomem *vp_regs
>> drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *vp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     got void [noderef] __iomem *vp_regs
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem *vp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     got void [noderef] __iomem *vp_regs
>> drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     got void [noderef] __iomem *
>> drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     got void [noderef] __iomem *
>> drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void * @@     got void [noderef] __iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     expected void *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     got void [noderef] __iomem *

vim +602 drivers/video/fbdev/geode/lxfb_ops.c

f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  582  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  583  static void lx_save_regs(struct lxfb_par *par)
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  584  {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  585  	uint32_t filt;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  586  	int i;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  587  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  588  	/* wait for the BLT engine to stop being busy */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  589  	do {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  590  		i = read_gp(par, GP_BLT_STATUS);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  591  	} while ((i & GP_BLT_STATUS_PB) || !(i & GP_BLT_STATUS_CE));
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  592  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  593  	/* save MSRs */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  594  	rdmsrl(MSR_LX_MSR_PADSEL, par->msr.padsel);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  595  	rdmsrl(MSR_GLCP_DOTPLL, par->msr.dotpll);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  596  	rdmsrl(MSR_LX_GLD_MSR_CONFIG, par->msr.dfglcfg);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  597  	rdmsrl(MSR_LX_SPARE_MSR, par->msr.dcspare);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  598  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  599  	write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  600  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  601  	/* save registers */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @602  	memcpy(par->gp, par->gp_regs, sizeof(par->gp));
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @603  	memcpy(par->dc, par->dc_regs, sizeof(par->dc));
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @604  	memcpy(par->vp, par->vp_regs, sizeof(par->vp));
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @605  	memcpy(par->fp, par->vp_regs + VP_FP_START, sizeof(par->fp));
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  606  
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  607  	/* save the display controller palette */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  608  	write_dc(par, DC_PAL_ADDRESS, 0);
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  609  	for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++)
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  610  		par->dc_pal[i] = read_dc(par, DC_PAL_DATA);
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  611  
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  612  	/* save the video processor palette */
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  613  	write_vp(par, VP_PAR, 0);
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  614  	for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++)
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  615  		par->vp_pal[i] = read_vp(par, VP_PDR);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  616  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  617  	/* save the horizontal filter coefficients */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  618  	filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  619  	for (i = 0; i < ARRAY_SIZE(par->hcoeff); i += 2) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  620  		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  621  		par->hcoeff[i] = read_dc(par, DC_FILT_COEFF1);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  622  		par->hcoeff[i + 1] = read_dc(par, DC_FILT_COEFF2);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  623  	}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  624  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  625  	/* save the vertical filter coefficients */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  626  	filt &= ~DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  627  	for (i = 0; i < ARRAY_SIZE(par->vcoeff); i++) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  628  		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  629  		par->vcoeff[i] = read_dc(par, DC_FILT_COEFF1);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  630  	}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  631  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  632  	/* save video coeff ram */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  633  	memcpy(par->vp_coeff, par->vp_regs + VP_VCR, sizeof(par->vp_coeff));
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  634  }
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  635  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  636  static void lx_restore_gfx_proc(struct lxfb_par *par)
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  637  {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  638  	int i;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  639  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  640  	/* a bunch of registers require GP_RASTER_MODE to be set first */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  641  	write_gp(par, GP_RASTER_MODE, par->gp[GP_RASTER_MODE]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  642  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  643  	for (i = 0; i < ARRAY_SIZE(par->gp); i++) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  644  		switch (i) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  645  		case GP_RASTER_MODE:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  646  		case GP_VECTOR_MODE:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  647  		case GP_BLT_MODE:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  648  		case GP_BLT_STATUS:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  649  		case GP_HST_SRC:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  650  			/* FIXME: restore LUT data */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  651  		case GP_LUT_INDEX:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  652  		case GP_LUT_DATA:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  653  			/* don't restore these registers */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  654  			break;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  655  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  656  		default:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  657  			write_gp(par, i, par->gp[i]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  658  		}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  659  	}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  660  }
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  661  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  662  static void lx_restore_display_ctlr(struct lxfb_par *par)
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  663  {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  664  	uint32_t filt;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  665  	int i;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  666  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  667  	wrmsrl(MSR_LX_SPARE_MSR, par->msr.dcspare);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  668  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  669  	for (i = 0; i < ARRAY_SIZE(par->dc); i++) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  670  		switch (i) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  671  		case DC_UNLOCK:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  672  			/* unlock the DC; runs first */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  673  			write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  674  			break;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  675  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  676  		case DC_GENERAL_CFG:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  677  		case DC_DISPLAY_CFG:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  678  			/* disable all while restoring */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  679  			write_dc(par, i, 0);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  680  			break;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  681  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  682  		case DC_DV_CTL:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  683  			/* set all ram to dirty */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  684  			write_dc(par, i, par->dc[i] | DC_DV_CTL_CLEAR_DV_RAM);
2c3a1e49696fd05 drivers/video/fbdev/geode/lxfb_ops.c Gustavo A. R. Silva 2020-11-20  685  			break;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  686  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  687  		case DC_RSVD_1:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  688  		case DC_RSVD_2:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  689  		case DC_RSVD_3:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  690  		case DC_LINE_CNT:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  691  		case DC_PAL_ADDRESS:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  692  		case DC_PAL_DATA:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  693  		case DC_DFIFO_DIAG:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  694  		case DC_CFIFO_DIAG:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  695  		case DC_FILT_COEFF1:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  696  		case DC_FILT_COEFF2:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  697  		case DC_RSVD_4:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  698  		case DC_RSVD_5:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  699  			/* don't restore these registers */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  700  			break;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  701  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  702  		default:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  703  			write_dc(par, i, par->dc[i]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  704  		}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  705  	}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  706  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  707  	/* restore the palette */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  708  	write_dc(par, DC_PAL_ADDRESS, 0);
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  709  	for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++)
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  710  		write_dc(par, DC_PAL_DATA, par->dc_pal[i]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  711  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  712  	/* restore the horizontal filter coefficients */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  713  	filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  714  	for (i = 0; i < ARRAY_SIZE(par->hcoeff); i += 2) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  715  		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  716  		write_dc(par, DC_FILT_COEFF1, par->hcoeff[i]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  717  		write_dc(par, DC_FILT_COEFF2, par->hcoeff[i + 1]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  718  	}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  719  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  720  	/* restore the vertical filter coefficients */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  721  	filt &= ~DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  722  	for (i = 0; i < ARRAY_SIZE(par->vcoeff); i++) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  723  		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  724  		write_dc(par, DC_FILT_COEFF1, par->vcoeff[i]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  725  	}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  726  }
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  727  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  728  static void lx_restore_video_proc(struct lxfb_par *par)
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  729  {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  730  	int i;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  731  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  732  	wrmsrl(MSR_LX_GLD_MSR_CONFIG, par->msr.dfglcfg);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  733  	wrmsrl(MSR_LX_MSR_PADSEL, par->msr.padsel);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  734  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  735  	for (i = 0; i < ARRAY_SIZE(par->vp); i++) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  736  		switch (i) {
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  737  		case VP_VCFG:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  738  		case VP_DCFG:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  739  		case VP_PAR:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  740  		case VP_PDR:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  741  		case VP_CCS:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  742  		case VP_RSVD_0:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  743  		/* case VP_VDC: */ /* why should this not be restored? */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  744  		case VP_RSVD_1:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  745  		case VP_CRC32:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  746  			/* don't restore these registers */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  747  			break;
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  748  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  749  		default:
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  750  			write_vp(par, i, par->vp[i]);
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  751  		}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  752  	}
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  753  
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  754  	/* restore video processor palette */
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  755  	write_vp(par, VP_PAR, 0);
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  756  	for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++)
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  757  		write_vp(par, VP_PDR, par->vp_pal[i]);
16cdd4336fdca9b drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  758  
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  759  	/* restore video coeff ram */
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @760  	memcpy(par->vp_regs + VP_VCR, par->vp_coeff, sizeof(par->vp_coeff));
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  761  }
f694e53bd0db695 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  762  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

  parent reply	other threads:[~2021-12-14 16:32 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-13 22:33 [PATCH 00/17] Enable strict compile-time memcpy() fortify checks Kees Cook
2021-12-13 22:33 ` [PATCH 01/17] KVM: x86: Replace memset() "optimization" with normal per-field writes Kees Cook
2021-12-13 22:33 ` [PATCH 02/17] net/mlx5e: Avoid field-overflowing memcpy() Kees Cook
2021-12-13 22:33 ` [PATCH 03/17] net/mlx5e: Use struct_group() for memcpy() region Kees Cook
2021-12-13 22:33 ` [PATCH 04/17] media: omap3isp: " Kees Cook
2021-12-13 22:33 ` [PATCH 05/17] sata_fsl: " Kees Cook
2021-12-13 22:33 ` [PATCH 06/17] fortify: Detect struct member overflows in memcpy() at compile-time Kees Cook
2021-12-14  3:56   ` kernel test robot
2021-12-14  8:46   ` kernel test robot
2021-12-14 11:50   ` kernel test robot
2021-12-14 16:32   ` kernel test robot [this message]
2021-12-14 19:06   ` kernel test robot
2021-12-16  8:56   ` kernel test robot
2021-12-16 11:08   ` Mark Rutland
2021-12-16 11:21     ` Mark Rutland
2021-12-16 18:00     ` Kees Cook
2021-12-17 13:34       ` Mark Rutland
2021-12-13 22:33 ` [PATCH 07/17] fortify: Detect struct member overflows in memmove() " Kees Cook
2021-12-13 22:33 ` [PATCH 08/17] ath11k: Use memset_startat() for clearing queue descriptors Kees Cook
2021-12-13 22:33   ` Kees Cook
2021-12-14  6:02   ` Kalle Valo
2021-12-14  6:02     ` Kalle Valo
2021-12-14 15:46     ` Kalle Valo
2021-12-14 15:46       ` Kalle Valo
2021-12-14 17:05       ` Kees Cook
2021-12-14 17:05         ` Kees Cook
2021-12-16 13:50         ` Kalle Valo
2021-12-16 13:50           ` Kalle Valo
2021-12-13 22:33 ` [PATCH 09/17] RDMA/mlx5: Use memset_after() to zero struct mlx5_ib_mr Kees Cook
2021-12-13 22:33 ` [PATCH 10/17] drbd: Use struct_group() to zero algs Kees Cook
2021-12-13 22:33 ` [PATCH 11/17] dm integrity: Use struct_group() to zero struct journal_sector Kees Cook
2021-12-13 22:33   ` [dm-devel] " Kees Cook
2021-12-13 22:33 ` [PATCH 12/17] iw_cxgb4: Use memset_startat() for cpl_t5_pass_accept_rpl Kees Cook
2021-12-13 22:33 ` [PATCH 13/17] intel_th: msu: Use memset_startat() for clearing hw header Kees Cook
2021-12-13 22:33 ` [PATCH 14/17] IB/mthca: Use memset_startat() for clearing mpt_entry Kees Cook
2021-12-13 22:33 ` [PATCH 15/17] scsi: lpfc: Use struct_group() to initialize struct lpfc_cgn_info Kees Cook
2021-12-13 22:33 ` [PATCH 16/17] fortify: Detect struct member overflows in memset() at compile-time Kees Cook
2021-12-14 12:31   ` kernel test robot
2021-12-13 22:33 ` [PATCH 17/17] fortify: Work around Clang inlining bugs Kees Cook
2021-12-14 13:22   ` kernel test robot
2021-12-14 13:22     ` kernel test robot
2021-12-15  0:26 ` [PATCH 00/17] Enable strict compile-time memcpy() fortify checks Jason Gunthorpe
2021-12-17  4:04 ` Martin K. Petersen

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