Loading Documentation/device-mapper/verity.txt +11 −0 Original line number Diff line number Diff line Loading @@ -109,6 +109,17 @@ fec_start <offset> This is the offset, in <data_block_size> blocks, from the start of the FEC device to the beginning of the encoding data. check_at_most_once Verify data blocks only the first time they are read from the data device, rather than every time. This reduces the overhead of dm-verity so that it can be used on systems that are memory and/or CPU constrained. However, it provides a reduced level of security because only offline tampering of the data device's content will be detected, not online tampering. Hash blocks are still verified each time they are read from the hash device, since verification of hash blocks is less performance critical than data blocks, and a hash block will not be verified any more after all the data blocks it covers have been verified anyway. Theory of operation =================== Loading Makefile +1 −1 Original line number Diff line number Diff line VERSION = 4 PATCHLEVEL = 9 SUBLEVEL = 95 SUBLEVEL = 96 EXTRAVERSION = NAME = Roaring Lionus Loading arch/arm/boot/dts/at91sam9g25.dtsi +1 −1 Original line number Diff line number Diff line Loading @@ -21,7 +21,7 @@ atmel,mux-mask = < /* A B C */ 0xffffffff 0xffe0399f 0xc000001c /* pioA */ 0x0007ffff 0x8000fe3f 0x00000000 /* pioB */ 0x0007ffff 0x00047e3f 0x00000000 /* pioB */ 0x80000000 0x07c0ffff 0xb83fffff /* pioC */ 0x003fffff 0x003f8000 0x00000000 /* pioD */ >; Loading arch/arm/boot/dts/exynos5250.dtsi +4 −4 Original line number Diff line number Diff line Loading @@ -640,7 +640,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL0>; clock-names = "gscl"; iommu = <&sysmmu_gsc0>; iommus = <&sysmmu_gsc0>; }; gsc_1: gsc@13e10000 { Loading @@ -650,7 +650,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL1>; clock-names = "gscl"; iommu = <&sysmmu_gsc1>; iommus = <&sysmmu_gsc1>; }; gsc_2: gsc@13e20000 { Loading @@ -660,7 +660,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL2>; clock-names = "gscl"; iommu = <&sysmmu_gsc2>; iommus = <&sysmmu_gsc2>; }; gsc_3: gsc@13e30000 { Loading @@ -670,7 +670,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL3>; clock-names = "gscl"; iommu = <&sysmmu_gsc3>; iommus = <&sysmmu_gsc3>; }; hdmi: hdmi@14530000 { Loading arch/arm/boot/dts/sama5d4.dtsi +1 −1 Original line number Diff line number Diff line Loading @@ -1362,7 +1362,7 @@ pinctrl@fc06a000 { #address-cells = <1>; #size-cells = <1>; compatible = "atmel,at91sam9x5-pinctrl", "atmel,at91rm9200-pinctrl", "simple-bus"; compatible = "atmel,sama5d3-pinctrl", "atmel,at91sam9x5-pinctrl", "simple-bus"; ranges = <0xfc068000 0xfc068000 0x100 0xfc06a000 0xfc06a000 0x4000>; /* WARNING: revisit as pin spec has changed */ Loading Loading
Documentation/device-mapper/verity.txt +11 −0 Original line number Diff line number Diff line Loading @@ -109,6 +109,17 @@ fec_start <offset> This is the offset, in <data_block_size> blocks, from the start of the FEC device to the beginning of the encoding data. check_at_most_once Verify data blocks only the first time they are read from the data device, rather than every time. This reduces the overhead of dm-verity so that it can be used on systems that are memory and/or CPU constrained. However, it provides a reduced level of security because only offline tampering of the data device's content will be detected, not online tampering. Hash blocks are still verified each time they are read from the hash device, since verification of hash blocks is less performance critical than data blocks, and a hash block will not be verified any more after all the data blocks it covers have been verified anyway. Theory of operation =================== Loading
Makefile +1 −1 Original line number Diff line number Diff line VERSION = 4 PATCHLEVEL = 9 SUBLEVEL = 95 SUBLEVEL = 96 EXTRAVERSION = NAME = Roaring Lionus Loading
arch/arm/boot/dts/at91sam9g25.dtsi +1 −1 Original line number Diff line number Diff line Loading @@ -21,7 +21,7 @@ atmel,mux-mask = < /* A B C */ 0xffffffff 0xffe0399f 0xc000001c /* pioA */ 0x0007ffff 0x8000fe3f 0x00000000 /* pioB */ 0x0007ffff 0x00047e3f 0x00000000 /* pioB */ 0x80000000 0x07c0ffff 0xb83fffff /* pioC */ 0x003fffff 0x003f8000 0x00000000 /* pioD */ >; Loading
arch/arm/boot/dts/exynos5250.dtsi +4 −4 Original line number Diff line number Diff line Loading @@ -640,7 +640,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL0>; clock-names = "gscl"; iommu = <&sysmmu_gsc0>; iommus = <&sysmmu_gsc0>; }; gsc_1: gsc@13e10000 { Loading @@ -650,7 +650,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL1>; clock-names = "gscl"; iommu = <&sysmmu_gsc1>; iommus = <&sysmmu_gsc1>; }; gsc_2: gsc@13e20000 { Loading @@ -660,7 +660,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL2>; clock-names = "gscl"; iommu = <&sysmmu_gsc2>; iommus = <&sysmmu_gsc2>; }; gsc_3: gsc@13e30000 { Loading @@ -670,7 +670,7 @@ power-domains = <&pd_gsc>; clocks = <&clock CLK_GSCL3>; clock-names = "gscl"; iommu = <&sysmmu_gsc3>; iommus = <&sysmmu_gsc3>; }; hdmi: hdmi@14530000 { Loading
arch/arm/boot/dts/sama5d4.dtsi +1 −1 Original line number Diff line number Diff line Loading @@ -1362,7 +1362,7 @@ pinctrl@fc06a000 { #address-cells = <1>; #size-cells = <1>; compatible = "atmel,at91sam9x5-pinctrl", "atmel,at91rm9200-pinctrl", "simple-bus"; compatible = "atmel,sama5d3-pinctrl", "atmel,at91sam9x5-pinctrl", "simple-bus"; ranges = <0xfc068000 0xfc068000 0x100 0xfc06a000 0xfc06a000 0x4000>; /* WARNING: revisit as pin spec has changed */ Loading